The BCBS Prefix List ZAA to ZZZ provides medical billers, healthcare providers, and revenue cycle management teams with the tools to identify the correct Blue Cross Blue Shield payer for Z-series member ID prefixes. Each BCBS insurance ID starts with a three-letter alpha prefix, which determines the BCBS organization responsible for administering coverage. Confirming these prefixes during eligibility checks ensures claims are submitted to the appropriate payer without unnecessary delays.
Because Blue Cross Blue Shield operates through multiple independent companies nationwide, prefixes such as ZES, ZCL, or ZTQ correspond to different regional plans. Accurate verification of these prefixes is essential to reduce claim denials and avoid payer routing errors. When billing staff confirm the prefix before submission, it improves claim accuracy and speeds up reimbursement cycles.
BCBS Prefix List ZAA to ZZZ
Accurate BCBS prefix verification is a critical component of the medical billing process. Even though a prefix is only three letters long, it identifies the exact BCBS organization responsible for processing the claim. Confirming the prefix helps billers route claims correctly the first time.
Healthcare providers who regularly verify prefixes experience higher clean claim rates and fewer administrative corrections. For a comprehensive list covering all BCBS prefixes across every alphabet range, visit the BCBS Prefix List. This guide reviews the BCBS Alpha Prefix range from ZAA to ZZZ, highlights common prefixes, and explains how billing teams can verify payer details efficiently.
BCBS Prefix Finder – ZAA to ZZZ State & Plan Search
The BCBS Prefix Finder allows providers to identify the insurance company associated with a specific BCBS alpha prefix. Since each member ID begins with a three-letter code, searching the prefix quickly reveals the state plan, payer organization, and plan types linked to that prefix.
For example, when a patient presents an insurance card showing prefixes like ZES, ZCL, or ZTQ, medical billing staff can use a prefix lookup tool to determine the correct BCBS payer. This process helps billers submit claims through the correct payer channel without delays.
Additionally, prefix verification simplifies eligibility checks. Rather than assuming the payer based on the patient’s location or employer group, billing teams can confirm the exact BCBS organization responsible for the policy. This reduces claim rejections and streamlines the revenue cycle.
BCBS Prefix Lookup Table From ZAA to ZZZ
Here’s a reference table summarizing all Z-series BCBS prefixes:
| BCBS Prefix | State | Company Name | Types Of Health Plans |
|---|---|---|---|
| ZAA | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Traditional Indemnity, Medicaid, PPO |
| ZAB | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | EPO, HMO, High-Deductible Health Plan (HDHP) |
| ZAC | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, Medicaid, Traditional Indemnity |
| ZAD | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicare Advantage, POS, EPO |
| ZAE | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | HMO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| ZAF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicaid, PPO, Medicare Advantage |
| ZAG | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, EPO, High-Deductible Health Plan (HDHP) |
| ZAH | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Traditional Indemnity, HMO, Medicaid |
| ZAI | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | PPO, Medicare Advantage, POS |
| ZAJ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), EPO, HMO |
| ZAK | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicaid, Traditional Indemnity, PPO |
| ZAL | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZAM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | EPO, HMO, Traditional Indemnity |
| ZAN | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| ZAO | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, POS, EPO |
| ZAP | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ZAQ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicaid, PPO, Medicare Advantage |
| ZAR | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | POS, EPO, HMO |
| ZAS | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| ZAT | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, Medicare Advantage, POS |
| ZAU | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | EPO, HMO, High-Deductible Health Plan (HDHP) |
| ZAV | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, Medicaid, PPO |
| ZAX | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicare Advantage, POS, EPO |
| ZAY | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| ZAZ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | PPO, Medicaid, Medicare Advantage |
| ZBA | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | POS, EPO, High-Deductible Health Plan (HDHP) |
| ZBB | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | HMO, Traditional Indemnity, Medicaid |
| ZBC | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicare Advantage, PPO, POS |
| ZBD | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | EPO, High-Deductible Health Plan (HDHP), HMO |
| ZBE | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | Medicaid, Traditional Indemnity, PPO |
| ZBF | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZBG | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | EPO, HMO, Traditional Indemnity |
| ZBH | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| ZBI | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | Medicare Advantage, POS, EPO |
| ZBK | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ZBL | California | Blue-Shield of California | Medicaid, PPO, Medicare Advantage |
| ZBM | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | POS, EPO, HMO |
| ZBN | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| ZBO | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | PPO, Medicare Advantage, POS |
| ZBP | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | EPO, HMO, High-Deductible Health Plan (HDHP) |
| ZBQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, Medicaid, PPO |
| ZBR | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | Medicare Advantage, POS, EPO |
| ZBS | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| ZBT | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | PPO, Medicaid, Medicare Advantage |
| ZBU | Illinois | Blue-Cross Blue-Shield of Illinois | POS, EPO, High-Deductible Health Plan (HDHP) |
| ZBV | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | HMO, Traditional Indemnity, Medicaid |
| ZBW | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicare Advantage, PPO, POS |
| ZBX | California | Anthem Blue-Cross | EPO, High-Deductible Health Plan (HDHP), HMO |
| ZBY | Minnesota | Blue-Cross Blue-Shield of Minnesota | Traditional Indemnity, Medicaid, PPO |
| ZBZ | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | POS, Medicare Advantage, EPO |
| ZCA | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| ZCB | Costa Rica | Blue-Cross Blue-Shield of Costa Rica | PPO, Medicaid, Medicare Advantage |
| ZCC | South Carolina | Blue-Cross Blue-Shield of South Carolina | EPO, POS, High-Deductible Health Plan (HDHP) |
| ZCD | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, Traditional Indemnity, Medicaid |
| ZCE | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, PPO, EPO |
| ZCF | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), POS, HMO |
| ZCG | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicaid, Traditional Indemnity, PPO |
| ZCH | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| ZCI | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | POS, HMO, Traditional Indemnity |
| ZCJ | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicaid, PPO, Medicare Advantage |
| ZCK | South Carolina | Blue-Cross Blue-Shield of South Carolina | EPO, High-Deductible Health Plan (HDHP), POS |
| ZCL | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, Traditional Indemnity, Medicaid |
| ZCM | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, PPO, EPO |
| ZCN | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), POS, HMO |
| ZCO | South Carolina | Blue-Cross Blue-Shield of South Carolina | Traditional Indemnity, Medicaid, PPO |
| ZCP | South Carolina | Blue-Cross Blue-Shield of South Carolina | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZCQ | South Carolina | Blue-Cross Blue-Shield of South Carolina | POS, HMO, Traditional Indemnity |
| ZCR | South Carolina | Blue-Cross Blue-Shield of South Carolina | PPO, Medicaid, Medicare Advantage |
| ZCS | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), EPO, POS |
| ZCT | South Carolina | Blue-Cross Blue-Shield of South Carolina | Traditional Indemnity, HMO, Medicaid |
| ZCU | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, PPO, High-Deductible Health Plan (HDHP) |
| ZCV | South Carolina | Blue-Cross Blue-Shield of South Carolina | EPO, POS, HMO |
| ZCW | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicaid, Traditional Indemnity, PPO |
| ZCX | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| ZCY | South Carolina | Blue-Cross Blue-Shield of South Carolina | POS, HMO, Traditional Indemnity |
| ZCZ | South Carolina | Blue-Cross Blue-Shield of South Carolina | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| ZDA | California | Blue-Shield of California | Medicare Advantage, EPO, POS |
| ZDB | California | Blue-Shield of California | HMO, Traditional Indemnity, Medicaid |
| ZDD | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| ZDE | Nevada | Anthem Blue-Cross Blue-Shield of Nevada | EPO, POS, HMO |
| ZDF | South Dakota/Iowa | Wellmark BCBS | Medicaid, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ZDG | Nevada | Anthem Blue-Cross Blue-Shield of Nevada | PPO, Medicare Advantage, EPO |
| ZDH | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| ZDI | California | Anthem Blue-Cross | POS, Medicaid, PPO |
| ZDJ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| ZDK | California | Blue-Shield of California | HMO, Traditional Indemnity, Medicaid |
| ZDL | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, POS, Medicare Advantage |
| ZDM | New York (Western) | Blue-Cross Blue-Shield of Western New York | EPO, High-Deductible Health Plan (HDHP), HMO |
| ZDN | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicaid, Traditional Indemnity, PPO |
| ZDO | California | Anthem Blue-Cross | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| ZDP | New York | Empire Blue-Cross Blue-Shield of New York | POS, HMO, Medicaid |
| ZDQ | New York (Western) | Blue-Cross Blue-Shield of Western New York | Traditional Indemnity, PPO, Medicare Advantage |
| ZDR | Idaho | Blue Cross of Idaho | EPO, High-Deductible Health Plan (HDHP), POS |
| ZDS | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | HMO, Medicaid, Traditional Indemnity |
| ZDT | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | PPO, Medicare Advantage, EPO |
| ZDU | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), POS, HMO |
| ZDV | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicaid, Traditional Indemnity, PPO |
| ZDW | New York | Empire Blue-Cross Blue-Shield of New York | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| ZDX | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | POS, HMO, Traditional Indemnity |
| ZDY | California | Blue-Shield of California | PPO, Medicaid, Medicare Advantage |
| ZDZ | New York | Blue Shield of Northeastern New York | High-Deductible Health Plan (HDHP), EPO, POS |
| ZEA | Tennessee | Blue-Cross Blue-Shield of Tennessee | HMO, Traditional Indemnity, Medicaid |
| ZEB | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicare Advantage, PPO, EPO |
| ZEC | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), POS, HMO |
| ZED | Tennessee | Blue-Cross Blue-Shield of Tennessee | Traditional Indemnity, Medicaid, PPO |
| ZEE | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| ZEF | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | PPO, Medicare Advantage, Traditional Indemnity |
| ZEG | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, POS, High-Deductible Health Plan (HDHP) |
| ZEH | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicaid, EPO, PPO |
| ZEI | California | Anthem Blue-Cross | Traditional Indemnity, Medicare Advantage, HMO |
| ZEJ | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), POS, EPO |
| ZEK | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicaid, PPO, Traditional Indemnity |
| ZEL | California | Anthem Blue Cross of California | Medicare Advantage, HMO, High-Deductible Health Plan (HDHP) |
| ZEM | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, POS, Medicaid |
| ZEN | Tennessee | Blue-Cross Blue-Shield of Tennessee | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| ZEO | California | Anthem Blue-Cross | PPO, HMO, EPO |
| ZEP | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| ZEQ | California | Anthem Blue-Cross | POS, Medicare Advantage, PPO |
| ZER | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, HMO, High-Deductible Health Plan (HDHP) |
| ZES | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicaid, Traditional Indemnity, POS |
| ZET | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicare Advantage, PPO, EPO |
| ZEU | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| ZEV | Tennessee | Blue-Cross Blue-Shield of Tennessee | Traditional Indemnity, POS, Medicare Advantage |
| ZEW | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, PPO, High-Deductible Health Plan (HDHP) |
| ZEX | Tennessee | Blue-Cross Blue-Shield of Tennessee | HMO, Medicaid, Traditional Indemnity |
| ZEY | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicare Advantage, POS, EPO |
| ZEZ | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | PPO, High-Deductible Health Plan (HDHP), HMO |
| ZFA | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Medicaid, Traditional Indemnity, Medicare Advantage |
| ZFB | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | POS, EPO, PPO |
| ZFC | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| ZFD | Alabama | Blue-Cross Blue-Shield of Alabama | Medicare Advantage, Traditional Indemnity, POS |
| ZFE | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | EPO, PPO, High-Deductible Health Plan (HDHP) |
| ZFF | Alaska | Premera Blue-Cross of Alaska | HMO, Medicaid, Traditional Indemnity |
| ZFG | Minnesota | Blue-Cross Blue-Shield of Minnesota | POS, Medicare Advantage, EPO |
| ZFH | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | PPO, High-Deductible Health Plan (HDHP), HMO |
| ZFI | Michigan | Blue-Cross Blue-Shield of Michigan | Medicaid, Traditional Indemnity, Medicare Advantage |
| ZFJ | Alabama | Blue Cross Blue Shield of Alabama | High-Deductible Health Plan (HDHP), POS, EPO |
| ZFK | Alabama | Blue Cross Blue Shield of Alabama | PPO, HMO, Medicaid |
| ZFL | California | Blue-Shield of California | Medicare Advantage, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ZFM | New York (Western) | Blue-Cross Blue-Shield of Western New York | EPO, POS, PPO |
| ZFN | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| ZFO | California | Anthem Blue-Cross | Medicare Advantage, HMO, EPO |
| ZFP | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| ZFQ | California | Anthem Blue-Cross | POS, Traditional Indemnity, Medicare Advantage |
| ZFR | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, EPO, High-Deductible Health Plan (HDHP) |
| ZFS | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicaid, PPO, Traditional Indemnity |
| ZFT | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicare Advantage, POS, EPO |
| ZFU | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| ZFV | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, PPO, Medicare Advantage |
| ZFW | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, POS, High-Deductible Health Plan (HDHP) |
| ZFX | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Medicaid, HMO, Traditional Indemnity |
| ZFY | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | Medicare Advantage, PPO, POS |
| ZFZ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| ZGA | Texas | Blue-Cross Blue-Shield of Texas | Traditional Indemnity, HMO, Medicare Advantage |
| ZGB | Texas | Blue-Cross Blue-Shield of Texas | PPO, POS, EPO |
| ZGC | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| ZGD | Texas | Blue-Cross Blue-Shield of Texas | Medicare Advantage, HMO, PPO |
| ZGE | Texas | Blue-Cross Blue-Shield of Texas | EPO, POS, High-Deductible Health Plan (HDHP) |
| ZGF | Texas | Blue-Cross Blue-Shield of Texas | Medicaid, Traditional Indemnity, Medicare Advantage |
| ZGG | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), PPO, EPO |
| ZGH | Texas | Blue-Cross Blue-Shield of Texas | HMO, POS, Medicaid |
| ZGI | Texas | Blue-Cross Blue-Shield of Texas | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| ZGJ | Texas | Blue-Cross Blue-Shield of Texas | PPO, EPO, HMO |
| ZGK | Texas | Blue-Cross Blue-Shield of Texas | Medicaid, POS, Traditional Indemnity |
| ZGL | Texas | Blue-Cross Blue-Shield of Texas | Medicare Advantage, High-Deductible Health Plan (HDHP), PPO |
| ZGM | Texas | Blue-Cross Blue-Shield of Texas | EPO, HMO, Traditional Indemnity |
| ZGN | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), Medicaid, POS |
| ZGO | Texas | Blue-Cross Blue-Shield of Texas | PPO, Medicare Advantage, EPO |
| ZGP | Texas | Blue-Cross Blue-Shield of Texas | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ZGQ | Texas | Blue-Cross Blue-Shield of Texas | Medicaid, PPO, POS |
| ZGR | Texas | Blue-Cross Blue-Shield of Texas | EPO, Medicare Advantage, HMO |
| ZGS | Texas | Blue-Cross Blue-Shield of Texas | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| ZGT | Texas | Blue-Cross Blue-Shield of Texas | POS, PPO, Medicare Advantage |
| ZGU | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), EPO, HMO |
| ZGV | Texas | Blue-Cross Blue-Shield of Texas | Medicaid, Traditional Indemnity, POS |
| ZGW | Texas | Blue-Cross Blue-Shield of Texas | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZGX | Texas | Blue-Cross Blue-Shield of Texas | EPO, HMO, Traditional Indemnity |
| ZGY | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| ZGZ | Texas | Blue-Cross Blue-Shield of Texas | Medicare Advantage, POS, EPO |
| ZHA | California | Blue-Shield of California | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| ZHB | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicaid, PPO, Medicare Advantage |
| ZHC | California | Blue-Shield of California | EPO, POS, High-Deductible Health Plan (HDHP) |
| ZHD | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HMO, Traditional Indemnity, Medicaid |
| ZHE | New York | Empire Blue-Cross Blue-Shield of New York | Medicare Advantage, PPO, EPO |
| ZHF | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), POS, HMO |
| ZHG | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicaid, Traditional Indemnity, PPO |
| ZHH | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| ZHI | Utah | Regence Blue Cross Blue Shield of Utah | POS, HMO, Traditional Indemnity |
| ZHJ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| ZHK | Alabama | Blue-Cross Blue-Shield of Alabama | Medicare Advantage, EPO, POS |
| ZHL | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HMO, Traditional Indemnity, Medicaid |
| ZHM | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| ZHN | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, POS, HMO |
| ZHO | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| ZHP | South Carolina | Blue-Cross Blue-Shield of South Carolina | PPO, Medicare Advantage, EPO |
| ZHQ | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), HMO, POS |
| ZHR | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicaid, Traditional Indemnity, PPO |
| ZHS | New York | Empire Blue-Cross Blue-Shield of New York | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| ZHT | California | Blue-Shield of California | POS, HMO, Medicaid |
| ZHU | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, PPO, Medicare Advantage |
| ZHV | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, High-Deductible Health Plan (HDHP), HMO |
| ZHW | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, POS, Traditional Indemnity |
| ZHX | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, Medicare Advantage, EPO |
| ZHY | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| ZHZ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, POS, Medicare Advantage |
| ZIA | Vermont | Blue-Cross Blue-Shield of Vermont | HMO, POS, High-Deductible Health Plan (HDHP) |
| ZIB | Vermont | Blue-Cross Blue-Shield of Vermont | Medicaid, Traditional Indemnity, PPO |
| ZIC | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| ZID | Vermont | Blue-Cross Blue-Shield of Vermont | PPO, Traditional Indemnity, HMO |
| ZIE | Vermont | Blue-Cross Blue-Shield of Vermont | EPO, Medicaid, POS |
| ZIG | Vermont | Blue-Cross Blue-Shield of Vermont | High-Deductible Health Plan (HDHP), Medicare Advantage, PPO |
| ZIH | Vermont | Blue-Cross Blue-Shield of Vermont | Traditional Indemnity, HMO, EPO |
| ZII | Vermont | Blue-Cross Blue-Shield of Vermont | POS, High-Deductible Health Plan (HDHP), Medicaid |
| ZIJ | Vermont | Blue-Cross Blue-Shield of Vermont | Medicare Advantage, PPO, Traditional Indemnity |
| ZIK | Vermont | Blue-Cross Blue-Shield of Vermont | EPO, HMO, High-Deductible Health Plan (HDHP) |
| ZIL | Vermont | Blue-Cross Blue-Shield of Vermont | Medicaid, POS, PPO |
| ZIM | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| ZIN | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | HMO, EPO, Medicaid |
| ZIO | Michigan | Blue-Cross Blue-Shield of Michigan | POS, PPO, High-Deductible Health Plan (HDHP) |
| ZIP | California | Anthem Blue-Cross | Medicare Advantage, Traditional Indemnity, HMO |
| ZIQ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | EPO, Medicaid, POS |
| ZIR | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| ZIS | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, HMO, EPO |
| ZIT | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | PPO, POS, High-Deductible Health Plan (HDHP) |
| ZIU | Vermont | Blue-Cross Blue-Shield of Vermont | Medicaid, Medicare Advantage, Traditional Indemnity |
| ZIV | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), EPO, HMO |
| ZIW | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | POS, PPO, Medicaid |
| ZIX | California | Anthem Blue-Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| ZIY | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | HMO, EPO, POS |
| ZIZ | Michigan | Blue-Cross Blue-Shield of Michigan | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| ZJA | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicare Advantage, Traditional Indemnity, HMO |
| ZJB | Minnesota | Blue-Cross Blue-Shield of Minnesota | EPO, POS, PPO |
| ZJC | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| ZJD | California | Anthem Blue-Cross | HMO, Medicare Advantage, EPO |
| ZJF | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | POS, PPO, High-Deductible Health Plan (HDHP) |
| ZJG | Alabama | Blue-Cross Blue-Shield of Alabama | Traditional Indemnity, Medicaid, HMO |
| ZJH | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| ZJI | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | PPO, EPO, Traditional Indemnity |
| ZJJ | California | Anthem Blue Cross of California | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| ZJK | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | POS, Medicare Advantage, PPO |
| ZJL | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | EPO, Traditional Indemnity, Medicaid |
| ZJM | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), HMO, POS |
| ZJN | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicare Advantage, PPO, EPO |
| ZJO | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| ZJP | California | Anthem Blue-Cross | HMO, POS, PPO |
| ZJQ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| ZJR | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicaid, Traditional Indemnity, HMO |
| ZJS | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | PPO, POS, High-Deductible Health Plan (HDHP) |
| ZJT | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | Medicare Advantage, EPO, Traditional Indemnity |
| ZJU | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| ZJV | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | HMO, POS, Medicare Advantage |
| ZJW | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| ZJX | New York (Western) | Blue-Cross Blue-Shield of Western New York | PPO, Medicaid, HMO |
| ZJY | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicare Advantage, POS, Traditional Indemnity |
| ZJZ | New York | BCBS of Western New York | EPO, High-Deductible Health Plan (HDHP), PPO |
| ZKA | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, HMO, Traditional Indemnity |
| ZKB | Alaska | Premera Blue-Cross Blue-Shield of Alaska | POS, Medicare Advantage, EPO |
| ZKC | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| ZKD | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, HMO, Medicare Advantage |
| ZKE | Alaska | Premera Blue-Cross Blue-Shield of Alaska | POS, EPO, High-Deductible Health Plan (HDHP) |
| ZKF | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, PPO, Traditional Indemnity |
| ZKG | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| ZKH | Alaska | Premera Blue-Cross Blue-Shield of Alaska | EPO, POS, PPO |
| ZKI | Alaska | Premera Blue-Cross of Alaska | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| ZKJ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, Medicare Advantage, EPO |
| ZKK | Alaska | Premera Blue-Cross Blue-Shield of Alaska | POS, PPO, High-Deductible Health Plan (HDHP) |
| ZKL | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, Traditional Indemnity, HMO |
| ZKM | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| ZKN | Alaska | Premera Blue-Cross Blue-Shield of Alaska | PPO, EPO, Traditional Indemnity |
| ZKO | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicaid, High-Deductible Health Plan (HDHP), HMO |
| ZKP | Alaska | Premera Blue-Cross Blue-Shield of Alaska | POS, Medicare Advantage, PPO |
| ZKQ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | EPO, Traditional Indemnity, Medicaid |
| ZKR | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), HMO, POS |
| ZKS | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicare Advantage, PPO, EPO |
| ZKT | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| ZKU | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, POS, Medicare Advantage |
| ZKV | Alaska | Premera Blue-Cross Blue-Shield of Alaska | PPO, EPO, High-Deductible Health Plan (HDHP) |
| ZKW | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Medicaid, Traditional Indemnity, HMO |
| ZKX | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| ZKY | Alaska | Premera Blue-Cross Blue-Shield of Alaska | PPO, EPO, Traditional Indemnity |
| ZKZ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, High-Deductible Health Plan (HDHP), HMO |
| ZLA | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | POS, Medicare Advantage, PPO |
| ZLB | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, Traditional Indemnity, Medicaid |
| ZLC | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), HMO, POS |
| ZLD | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, PPO, EPO |
| ZLE | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| ZLF | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HMO, POS, PPO |
| ZLG | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, Medicare Advantage, Traditional Indemnity |
| ZLH | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| ZLI | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, PPO, Medicare Advantage |
| ZLJ | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| ZLK | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicaid, HMO, POS |
| ZLL | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | PPO, Medicare Advantage, Traditional Indemnity |
| ZLM | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| ZLN | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HMO, POS, PPO |
| ZLO | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, Traditional Indemnity, EPO |
| ZLP | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| ZLQ | Washington | Regence Blue Shield of Washington | POS, PPO, Medicare Advantage |
| ZLR | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| ZLS | Oregon | Regence Blue Cross Blue Shield of Oregon | Medicaid, HMO, POS |
| ZLT | Idaho | Blue-Cross of Idaho | PPO, Medicare Advantage, Traditional Indemnity |
| ZLU | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| ZLV | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HMO, POS, PPO |
| ZLW | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, Traditional Indemnity, EPO |
| ZLX | Nevada | Anthem Blue-Cross Blue-Shield of Nevada | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| ZLY | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | POS, PPO, Medicare Advantage |
| ZLZ | California | Blue-Shield of California | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| ZMA | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicaid, HMO, POS |
| ZMB | Minnesota | Blue-Cross Blue-Shield of Minnesota | PPO, Medicare Advantage, Traditional Indemnity |
| ZMC | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicaid, EPO, PPO |
| ZMD | California | Anthem Blue-Cross | POS, Traditional Indemnity, HMO |
| ZME | Colorado | Anthem BCBS of Colorado | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| ZMF | California | Anthem Blue-Cross | PPO, Medicaid, POS |
| ZMG | New York | Empire Blue-Cross Blue-Shield of New York | HMO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| ZMH | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, EPO, PPO |
| ZMI | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Traditional Indemnity, POS, HMO |
| ZMJ | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| ZMK | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | POS, HMO, Medicare Advantage |
| ZML | Kansas | Blue-Cross Blue-Shield of Kansas | High-Deductible Health Plan (HDHP), Traditional Indemnity, PPO |
| ZMM | Nevada | Anthem Blue-Cross Blue-Shield of Nevada | Medicaid, EPO, POS |
| ZMN | California | Blue Shield of California | HMO, PPO, High-Deductible Health Plan (HDHP) |
| ZMO | Idaho | Blue-Cross of Idaho | Medicare Advantage, Traditional Indemnity, EPO |
| ZMP | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | High-Deductible Health Plan (HDHP), Medicaid, POS |
| ZMQ | Oregon | Regence Blue Cross Blue Shield of Oregon | PPO, HMO, Medicare Advantage |
| ZMR | New York | Empire Blue-Cross Blue-Shield of New York | EPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ZMT | Idaho | Blue-Cross of Idaho | Medicaid, POS, HMO |
| ZMU | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), PPO, EPO |
| ZMV | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicare Advantage, Traditional Indemnity, POS |
| ZMW | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| ZMX | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | POS, EPO, PPO |
| ZMY | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZMZ | California | Anthem Blue-Cross | Medicaid, HMO, EPO |
| ZNA | Alaska | Premera Blue-Cross Blue-Shield of Alaska | PPO, POS, High-Deductible Health Plan (HDHP) |
| ZNB | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, Medicaid, HMO |
| ZNC | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| ZND | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | POS, PPO, Medicaid |
| ZNE | Alabama | Blue-Cross Blue-Shield of Alabama | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ZNF | California | Anthem Blue-Cross | Medicare Advantage, EPO, POS |
| ZNG | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| ZNH | Idaho | Blue-Cross of Idaho | Traditional Indemnity, HMO, EPO |
| ZNI | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZNJ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, PPO, Traditional Indemnity |
| ZNK | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, EPO, POS |
| ZNL | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | High-Deductible Health Plan (HDHP), Medicare Advantage, Medicaid |
| ZNM | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, Traditional Indemnity, HMO |
| ZNN | Alaska | Premera Blue-Cross Blue-Shield of Alaska | EPO, POS, High-Deductible Health Plan (HDHP) |
| ZNO | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, Medicaid, PPO |
| ZNP | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, HMO, EPO |
| ZNQ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| ZNR | Tennessee | Blue-Cross Blue-Shield of Tennessee | PPO, Medicaid, Traditional Indemnity |
| ZNS | Washington | Premera Blue Cross | HMO, EPO, High-Deductible Health Plan (HDHP) |
| ZNT | Minnesota | Blue-Cross Blue-Shield of Minnesota | POS, Medicare Advantage, PPO |
| ZNU | Washington | Premera Blue Cross | Medicaid, Traditional Indemnity, HMO |
| ZNV | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | High-Deductible Health Plan (HDHP), EPO, POS |
| ZNW | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicare Advantage, PPO, Medicaid |
| ZNY | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| ZNZ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | EPO, POS, Medicare Advantage |
| ZOA | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| ZOB | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, Traditional Indemnity, EPO |
| ZOC | California | Blue-Shield of California | POS, Medicare Advantage, Medicaid |
| ZOD | Pennsylvania | Highmark Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| ZOE | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | EPO, HMO, POS |
| ZOF | Michigan | Blue-Cross Blue-Shield of Michigan | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| ZOG | Pennsylvania | Highmark Blue-Shield of Pennsylvania | Medicare Advantage, Traditional Indemnity, HMO |
| ZOH | South Carolina | Blue-Cross Blue-Shield of South Carolina | POS, EPO, High-Deductible Health Plan (HDHP) |
| ZOI | Pennsylvania | Highmark Blue-Shield of Pennsylvania | PPO, Medicaid, Medicare Advantage |
| ZOJ | Pennsylvania | Highmark Blue-Shield of Pennsylvania | Traditional Indemnity, HMO, EPO |
| ZOK | Pennsylvania | Highmark Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), POS, Medicaid |
| ZOL | Pennsylvania | Highmark Blue-Shield of Pennsylvania | Medicare Advantage, PPO, Traditional Indemnity |
| ZOM | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, EPO, High-Deductible Health Plan (HDHP) |
| ZON | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | POS, Medicaid, Medicare Advantage |
| ZOO | Michigan | Blue-Cross Blue-Shield of Michigan | Traditional Indemnity, PPO, HMO |
| ZOP | California | Blue-Shield of California | EPO, High-Deductible Health Plan (HDHP), POS |
| ZOQ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicaid, Medicare Advantage, PPO |
| ZOR | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Traditional Indemnity, HMO, EPO |
| ZOS | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| ZOT | California | Anthem Blue-Cross | PPO, Medicaid, Traditional Indemnity |
| ZOU | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | HMO, EPO, High-Deductible Health Plan (HDHP) |
| ZOV | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | POS, Medicare Advantage, PPO |
| ZOW | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicaid, Traditional Indemnity, HMO |
| ZOX | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | High-Deductible Health Plan (HDHP), EPO, POS |
| ZOY | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicare Advantage, PPO, Medicaid |
| ZOZ | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| ZPA | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | EPO, POS, Medicare Advantage |
| ZPB | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| ZPC | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | HMO, Traditional Indemnity, EPO |
| ZPD | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | POS, Medicare Advantage, Medicaid |
| ZPE | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| ZPF | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | EPO, HMO, POS |
| ZPG | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| ZPH | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, Traditional Indemnity, HMO |
| ZPI | California | Blue-Shield of California | POS, EPO, High-Deductible Health Plan (HDHP) |
| ZPJ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, Medicaid, Medicare Advantage |
| ZPK | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, HMO, EPO |
| ZPL | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), POS, Medicaid |
| ZPM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, PPO, Traditional Indemnity |
| ZPN | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | HMO, EPO, High-Deductible Health Plan (HDHP) |
| ZPO | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | POS, Medicaid, Medicare Advantage |
| ZPP | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | Traditional Indemnity, PPO, HMO |
| ZPQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, High-Deductible Health Plan (HDHP), POS |
| ZPR | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, Medicare Advantage, PPO |
| ZPS | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, HMO, EPO |
| ZPT | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| ZPU | California | Anthem Blue-Cross | PPO, Medicaid, Traditional Indemnity |
| ZPV | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, EPO, High-Deductible Health Plan (HDHP) |
| ZPW | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | POS, Medicare Advantage, PPO |
| ZPX | West Virginia | Highmark Blue-Cross Blue-Shield of West Virginia | Medicaid, Traditional Indemnity, HMO |
| ZPY | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | High-Deductible Health Plan (HDHP), EPO, POS |
| ZPZ | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, PPO, Medicaid |
| ZQA | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| ZQB | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, POS, Medicare Advantage |
| ZQC | Ohio | Anthem BCBS of Ohio | EPO, Medicaid, PPO |
| ZQD | New York (Western) | Blue-Cross Blue-Shield of Western New York | HMO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| ZQE | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, Medicare Advantage, EPO |
| ZQF | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, Medicaid, Traditional Indemnity |
| ZQG | New York (Northeastern) | Blue-Shield of Northeastern New York | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| ZQH | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | EPO, POS, Traditional Indemnity |
| ZQI | Michigan | Blue-Cross Blue-Shield of Michigan | Medicare Advantage, Medicaid, PPO |
| ZQJ | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), EPO, HMO |
| ZQK | New York (Western) | Blue-Cross Blue-Shield of Western New York | POS, PPO, Medicaid |
| ZQL | Tennessee | Blue-Cross Blue-Shield of Tennessee | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZQM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | HMO, EPO, POS |
| ZQN | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| ZQO | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, Medicare Advantage, HMO |
| ZQP | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, POS, High-Deductible Health Plan (HDHP) |
| ZQQ | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | Medicaid, Traditional Indemnity, PPO |
| ZQR | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, Medicare Advantage, EPO |
| ZQS | Minnesota | Blue-Cross Blue-Shield of Minnesota | POS, High-Deductible Health Plan (HDHP), Medicaid |
| ZQU | California | Anthem Blue-Cross | Traditional Indemnity, PPO, Medicare Advantage |
| ZQV | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | EPO, HMO, POS |
| ZQW | New York (Western) | Blue-Cross Blue-Shield of Western New York | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| ZQX | New York (Western) | Blue-Cross Blue-Shield of Western New York | PPO, EPO, Medicare Advantage |
| ZQY | New York (Northeastern) | Blue-Shield of Northeastern New York | HMO, High-Deductible Health Plan (HDHP), POS |
| ZQZ | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | Medicaid, Traditional Indemnity, PPO |
| ZRA | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | Medicare Advantage, HMO, EPO |
| ZRB | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | POS, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| ZRC | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | PPO, Medicaid, Medicare Advantage |
| ZRD | Nevada | Anthem Blue-Cross Blue-Shield of Nevada | EPO, HMO, High-Deductible Health Plan (HDHP) |
| ZRE | Minnesota | Blue-Cross Blue-Shield of Minnesota | Traditional Indemnity, POS, PPO |
| ZRF | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | Medicaid, EPO, Medicare Advantage |
| ZRG | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | High-Deductible Health Plan (HDHP), HMO, POS |
| ZRH | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | PPO, Traditional Indemnity, Medicaid |
| ZRI | Nevada | Anthem Blue-Cross Blue-Shield of Nevada | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZRJ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | HMO, POS, Traditional Indemnity |
| ZRK | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| ZRL | Alaska | Premera Blue-Cross Blue-Shield of Alaska | EPO, Medicare Advantage, HMO |
| ZRM | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| ZRN | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | PPO, Medicaid, EPO |
| ZRO | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, Traditional Indemnity, Medicare Advantage |
| ZRP | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), POS, PPO |
| ZRQ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicaid, EPO, HMO |
| ZRR | Michigan | Blue-Cross Blue-Shield of Michigan | Medicare Advantage, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ZRS | Minnesota | Blue-Cross Blue-Shield of Minnesota | POS, PPO, Medicaid |
| ZRT | California | Blue-Shield of California | EPO, HMO, Medicare Advantage |
| ZRU | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| ZRV | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | PPO, Medicaid, EPO |
| ZRW | Wyoming | Blue-Cross Blue-Shield of Wyoming | HMO, Medicare Advantage, Traditional Indemnity |
| ZRX | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | High-Deductible Health Plan (HDHP), POS, PPO |
| ZRY | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | EPO, Medicaid, HMO |
| ZRZ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| ZSA | Wyoming | Blue-Cross Blue-Shield of Wyoming | POS, PPO, EPO |
| ZSB | Georgia | Blue Cross Blue Shield of Georgia | HMO, Medicaid, Medicare Advantage |
| ZSC | Wyoming | Blue-Cross Blue-Shield of Wyoming | High-Deductible Health Plan (HDHP), Traditional Indemnity, POS |
| ZSD | Wyoming | Blue-Cross Blue-Shield of Wyoming | PPO, EPO, HMO |
| ZSE | Wyoming | Blue-Cross Blue-Shield of Wyoming | Medicare Advantage, High-Deductible Health Plan (HDHP), Medicaid |
| ZSF | Wyoming | Blue-Cross Blue-Shield of Wyoming | Traditional Indemnity, POS, PPO |
| ZSG | Minnesota | Blue-Cross Blue-Shield of Minnesota | EPO, HMO, High-Deductible Health Plan (HDHP) |
| ZSH | Wyoming | Blue-Cross Blue-Shield of Wyoming | Medicaid, Traditional Indemnity, Medicare Advantage |
| ZSI | California | Anthem Blue-Cross | POS, PPO, EPO |
| ZSJ | California | Anthem Blue Cross of California | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| ZSK | Wyoming | Blue-Cross Blue-Shield of Wyoming | Medicare Advantage, Traditional Indemnity, POS |
| ZSL | Minnesota | Blue-Cross Blue-Shield of Minnesota | EPO, PPO, High-Deductible Health Plan (HDHP) |
| ZSM | Wyoming | Blue-Cross Blue-Shield of Wyoming | HMO, Medicaid, Traditional Indemnity |
| ZSN | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | POS, Medicare Advantage, EPO |
| ZSO | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | PPO, High-Deductible Health Plan (HDHP), HMO |
| ZSP | Wyoming | Blue-Cross Blue-Shield of Wyoming | Traditional Indemnity, Medicaid, POS |
| ZSQ | Oregon | Regence Blue Cross Blue Shield of Oregon | EPO, Medicare Advantage, PPO |
| ZSR | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| ZSS | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, POS, EPO |
| ZST | California | Anthem Blue-Cross | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZSU | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, HMO, Medicaid |
| ZSV | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | POS, EPO, High-Deductible Health Plan (HDHP) |
| ZSW | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicare Advantage, PPO, Traditional Indemnity |
| ZSX | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, HMO, POS |
| ZSY | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| ZSZ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Traditional Indemnity, PPO, Medicaid |
| ZTA | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | HMO, POS, EPO |
| ZTB | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| ZTC | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicaid, PPO, HMO |
| ZTD | Alabama | Blue-Cross Blue-Shield of Alabama | EPO, POS, High-Deductible Health Plan (HDHP) |
| ZTE | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, Traditional Indemnity, PPO |
| ZTF | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| ZTG | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | POS, EPO, Traditional Indemnity |
| ZTH | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZTI | California | Blue-Shield of California | HMO, Medicaid, POS |
| ZTJ | California | Anthem Blue-Cross | Traditional Indemnity, EPO, PPO |
| ZTK | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| ZTL | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | Medicaid, POS, Traditional Indemnity |
| ZTM | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, PPO, Medicare Advantage |
| ZTN | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| ZTO | New York | Empire Blue-Cross Blue-Shield of New York | Traditional Indemnity, POS, EPO |
| ZTP | California | Blue-Shield of California | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZTQ | California | Anthem Blue-Cross | HMO, Medicaid, POS |
| ZTR | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, EPO, PPO |
| ZTS | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| ZTT | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | Medicaid, POS, Traditional Indemnity |
| ZTU | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | EPO, PPO, High-Deductible Health Plan (HDHP) |
| ZTV | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicare Advantage, HMO, Medicaid |
| ZTW | Minnesota | Blue-Cross Blue-Shield of Minnesota | Traditional Indemnity, POS, EPO |
| ZTX | Northeastern New York | Blue Shield of Northeastern New York | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| ZTY | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, HMO, POS |
| ZTZ | Minnesota | Blue-Cross Blue-Shield of Minnesota | Traditional Indemnity, EPO, PPO |
| ZUA | Puerto Rico | Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| ZUB | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | POS, EPO, Medicaid |
| ZUC | California | Anthem Blue-Cross | PPO, Traditional Indemnity, HMO |
| ZUD | Nevada | Anthem Blue-Cross Blue-Shield of Nevada | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| ZUE | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, POS, Traditional Indemnity |
| ZUF | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | High-Deductible Health Plan (HDHP), HMO, PPO |
| ZUG | California | Anthem Blue-Cross | Medicare Advantage, Traditional Indemnity, POS |
| ZUH | Puerto Rico | Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| ZUI | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, PPO, Medicare Advantage |
| ZUJ | California | Anthem Blue-Cross | Traditional Indemnity, EPO, POS |
| ZUK | Puerto Rico | Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| ZUL | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | PPO, Medicare Advantage, Traditional Indemnity |
| ZUM | Puerto Rico | Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico | EPO, High-Deductible Health Plan (HDHP), POS |
| ZUO | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Medicaid, HMO, PPO |
| ZUP | California | Blue-Shield of California | Medicare Advantage, Traditional Indemnity, EPO |
| ZUQ | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), POS, Medicaid |
| ZUR | Puerto Rico | Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico | PPO, HMO, Medicare Advantage |
| ZUS | Puerto Rico | Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| ZUU | Illinois | Blue-Cross Blue-Shield of Illinois | POS, Medicaid, PPO |
| ZUV | Puerto Rico | Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| ZUW | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, Traditional Indemnity, POS |
| ZUX | Puerto Rico | Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| ZUY | Puerto Rico | Triple-S Salud (BCBS Puerto Rico) | HMO, Medicare Advantage, EPO |
| ZUZ | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| ZVB | Louisiana | Blue-Cross Blue-Shield of Louisiana | PPO, Medicaid, HMO |
| ZVC | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Medicare Advantage, EPO, Traditional Indemnity |
| ZVD | Nevada | Anthem Blue-Cross Blue-Shield of Nevada | High-Deductible Health Plan (HDHP), POS, PPO |
| ZVE | Texas | Blue-Cross Blue-Shield of Texas | Medicaid, HMO, Traditional Indemnity |
| ZVF | New York | Empire Blue-Cross Blue-Shield of New York | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZVG | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | POS, PPO, Medicaid |
| ZVH | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, HMO, EPO |
| ZVI | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZVJ | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | PPO, Medicaid, Traditional Indemnity |
| ZVK | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, HMO, Medicare Advantage |
| ZVL | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | High-Deductible Health Plan (HDHP), POS, PPO |
| ZVM | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, Traditional Indemnity, EPO |
| ZVN | Minnesota | Blue-Cross Blue-Shield of Minnesota | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZVO | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, PPO, Medicaid |
| ZVP | Maine | Anthem Blue-Cross Blue-Shield of Maine | Traditional Indemnity, EPO, HMO |
| ZVQ | California | Anthem Blue-Cross | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZVR | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, Medicaid, Traditional Indemnity |
| ZVS | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | EPO, HMO, Medicare Advantage |
| ZVT | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), POS, PPO |
| ZVU | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicaid, Traditional Indemnity, EPO |
| ZVV | California | Anthem Blue-Cross | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZVW | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | POS, PPO, Medicaid |
| ZVX | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, EPO, HMO |
| ZVY | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZVZ | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | PPO, Medicaid, Traditional Indemnity |
| ZWA | New York (Northeastern) | Blue-Shield of Northeastern New York | EPO, HMO, Medicare Advantage |
| ZWB | New York (Northeastern) | Blue-Shield of Northeastern New York | High-Deductible Health Plan (HDHP), POS, PPO |
| ZWC | New York (Northeastern) | Blue-Shield of Northeastern New York | Medicaid, Traditional Indemnity, EPO |
| ZWD | New York (Northeastern) | Blue-Shield of Northeastern New York | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZWE | New York (Northeastern) | Blue-Shield of Northeastern New York | POS, PPO, Medicaid |
| ZWF | New York (Northeastern) | Blue-Shield of Northeastern New York | Traditional Indemnity, EPO, HMO |
| ZWG | New York (Northeastern) | Blue-Shield of Northeastern New York | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZWH | New York (Northeastern) | Blue-Shield of Northeastern New York | PPO, Medicaid, Traditional Indemnity |
| ZWI | New York (Northeastern) | Blue-Shield of Northeastern New York | EPO, HMO, Medicare Advantage |
| ZWJ | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), POS, PPO |
| ZWK | New York (Northeastern) | Blue-Shield of Northeastern New York | Medicaid, Traditional Indemnity, EPO |
| ZWL | New York (Northeastern) | Blue-Shield of Northeastern New York | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZWM | New York (Northeastern) | Blue-Shield of Northeastern New York | POS, PPO, Medicaid |
| ZWN | New York (Northeastern) | Blue-Shield of Northeastern New York | Traditional Indemnity, EPO, HMO |
| ZWO | Alabama | Blue Cross Blue Shield of Alabama | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZWP | New York (Northeastern) | Blue-Shield of Northeastern New York | PPO, Medicaid, Traditional Indemnity |
| ZWQ | New York (Northeastern) | Blue-Shield of Northeastern New York | EPO, HMO, Medicare Advantage |
| ZWR | New York (Northeastern) | Blue-Shield of Northeastern New York | High-Deductible Health Plan (HDHP), POS, PPO |
| ZWS | New York (Northeastern) | Blue-Shield of Northeastern New York | Medicaid, Traditional Indemnity, EPO |
| ZWT | New York (Northeastern) | Blue-Shield of Northeastern New York | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZWU | New York (Northeastern) | Blue-Shield of Northeastern New York | POS, PPO, Medicaid |
| ZWV | New York (Northeastern) | Blue-Shield of Northeastern New York | Traditional Indemnity, EPO, HMO |
| ZWW | New York (Northeastern) | Blue-Shield of Northeastern New York | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZWX | New York (Northeastern) | Blue-Shield of Northeastern New York | PPO, Medicaid, Traditional Indemnity |
| ZWY | New York (Northeastern) | Blue-Shield of Northeastern New York | EPO, HMO, Medicare Advantage |
| ZWZ | New York (Northeastern) | Blue-Shield of Northeastern New York | High-Deductible Health Plan (HDHP), POS, PPO |
| ZXA | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicaid, Traditional Indemnity, EPO |
| ZXB | Tennessee | Blue-Cross Blue-Shield of Tennessee | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZXC | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, PPO, Medicaid |
| ZXD | Tennessee | Blue-Cross Blue-Shield of Tennessee | Traditional Indemnity, EPO, HMO |
| ZXE | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZXF | Tennessee | Blue-Cross Blue-Shield of Tennessee | PPO, Medicaid, Traditional Indemnity |
| ZXG | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, HMO, Medicare Advantage |
| ZXH | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), POS, PPO |
| ZXI | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicaid, Traditional Indemnity, EPO |
| ZXJ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZXK | Tennessee | Blue-Cross Blue-Shield of Tennessee | POS, PPO, Medicaid |
| ZXL | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, EPO, HMO |
| ZXM | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZXN | Alaska | Premera Blue-Cross Blue-Shield of Alaska | PPO, Medicaid, Traditional Indemnity |
| ZXO | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, HMO, Medicare Advantage |
| ZXP | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), POS, PPO |
| ZXQ | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicaid, Traditional Indemnity, EPO |
| ZXR | Tennessee | Blue-Cross Blue-Shield of Tennessee | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZXS | Tennessee | Blue-Cross Blue-Shield of Tennessee | POS, PPO, Medicaid |
| ZXT | New York (Western) | Blue-Cross Blue-Shield of Western New York | Traditional Indemnity, EPO, HMO |
| ZXU | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZXV | Tennessee | Blue-Cross Blue-Shield of Tennessee | PPO, Medicaid, Traditional Indemnity |
| ZXW | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | EPO, HMO, Medicare Advantage |
| ZXX | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), POS, PPO |
| ZXY | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicaid, Traditional Indemnity, EPO |
| ZXZ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZYA | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | POS, PPO, Medicaid |
| ZYB | New York | Empire Blue-Cross Blue-Shield of New York | Traditional Indemnity, EPO, HMO |
| ZYC | California | Blue Shield of California | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZYD | New York | Empire Blue-Cross Blue-Shield of New York | PPO, Traditional Indemnity, EPO |
| ZYE | New York | Empire Blue-Cross Blue-Shield of New York | Medicaid, POS, Medicare Advantage |
| ZYF | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| ZYG | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicare Advantage, EPO, PPO |
| ZYH | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, Medicaid, POS |
| ZYI | California | Anthem Blue-Cross | HMO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| ZYJ | New York | Empire Blue-Cross Blue-Shield of New York | EPO, Traditional Indemnity, HMO |
| ZYK | New York | Empire Blue-Cross Blue-Shield of New York | POS, PPO, High-Deductible Health Plan (HDHP) |
| ZYL | New York | Empire Blue-Cross Blue-Shield of New York | Medicaid, Medicare Advantage, EPO |
| ZYM | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, HMO, PPO |
| ZYN | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| ZYO | California | Anthem Blue-Cross | PPO, Medicare Advantage, POS |
| ZYP | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ZYQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicaid, POS, EPO |
| ZYR | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicare Advantage, PPO, Traditional Indemnity |
| ZYS | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| ZYT | Minnesota | Blue-Cross Blue-Shield of Minnesota | EPO, Traditional Indemnity, Medicare Advantage |
| ZYU | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, POS, High-Deductible Health Plan (HDHP) |
| ZYV | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, HMO, Traditional Indemnity |
| ZYW | Wyoming | Blue-Cross Blue-Shield of Wyoming | Medicare Advantage, EPO, PPO |
| ZYX | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), POS, Medicaid |
| ZYY | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | HMO, Traditional Indemnity, Medicare Advantage |
| ZYZ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, High-Deductible Health Plan (HDHP), POS |
| ZZA | Minnesota | Blue-Cross Blue-Shield of Minnesota | PPO, Medicaid, Traditional Indemnity |
| ZZB | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicare Advantage, HMO, EPO |
| ZZC | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | High-Deductible Health Plan (HDHP), POS, PPO |
| ZZD | California | Anthem Blue-Cross | Medicaid, Traditional Indemnity, EPO |
| ZZE | California | Anthem Blue-Cross | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZZF | California | Anthem Blue-Cross | POS, PPO, Medicaid |
| ZZG | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire | Traditional Indemnity, EPO, HMO |
| ZZH | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZZI | California | Blue-Shield of California | PPO, Medicaid, Traditional Indemnity |
| ZZJ | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, HMO, Medicare Advantage |
| ZZK | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), POS, PPO |
| ZZL | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicaid, Traditional Indemnity, EPO |
| ZZM | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZZN | Alaska | Premera Blue-Cross Blue-Shield of Alaska | POS, PPO, Medicaid |
| ZZO | California | Anthem Blue-Cross | Traditional Indemnity, EPO, HMO |
| ZZP | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZZQ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | PPO, Medicaid, Traditional Indemnity |
| ZZR | Alaska | Premera Blue-Cross Blue-Shield of Alaska | EPO, HMO, Medicare Advantage |
| ZZS | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), POS, PPO |
| ZZT | Texas | Blue-Cross Blue-Shield of Texas | Medicaid, Traditional Indemnity, EPO |
| ZZU | Minnesota | Blue-Cross Blue-Shield of Minnesota | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ZZV | Alaska | Premera Blue-Cross Blue-Shield of Alaska | POS, PPO, Medicaid |
| ZZW | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Traditional Indemnity, EPO, HMO |
| ZZY | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| ZZZ | California | Anthem Blue-Cross | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
How to Use ZAA to ZZZ Prefix List Effectively
Using the ZAA to ZZZ BCBS prefix list correctly is essential for accurate claim submission and proper payer identification. Each prefix represents a specific Blue Cross Blue Shield plan and determines how claims should be routed.
When reviewing a patient’s insurance card, billing teams must carefully verify the first three characters of the member ID. These characters identify the correct payer and processing location. Therefore, even a small mistake can lead to claim rejection or delays.
In addition, many prefixes within this range may appear similar but belong to completely different BCBS plans. As a result, proper verification is required before submitting claims. This ensures smoother billing operations and faster reimbursements.
Common BCBS Prefixes in the ZAA to ZZZ Range
Below are frequently encountered BCBS prefixes within the Z-series range. Understanding how these prefixes map to specific BCBS organizations helps billing teams submit claims accurately.
BCBS Prefix ZES – Tennessee
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZES | Tennessee | BCBS of Tennessee | Medicaid, Traditional Indemnity, POS |
The BCBS Prefix ZES belongs to Blue Cross Blue Shield of Tennessee. Members carrying this prefix may enroll in Medicaid, Traditional Indemnity, or POS plans depending on their policy.
Patients with BCBS alpha prefix ZES commonly have coverage through employer-sponsored programs in Tennessee. Because multiple networks operate under BCBS Tennessee, verifying BCBS prefix ZES during eligibility checks ensures claims reach the correct payer system.
BCBS Prefix ZCL – South Carolina
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZCL | South Carolina | BCBS of South Carolina | HMO, Traditional Indemnity, Medicaid |
The BCBS Prefix ZCL identifies plans issued by Blue Cross Blue Shield of South Carolina. Members with this prefix may have HMO, Traditional Indemnity, or Medicaid coverage.
Patients carrying BCBS alpha prefix ZCL often receive coverage through regional employer group plans. Confirming BCBS prefix ZCL helps billing teams submit claims to the correct South Carolina BCBS payer system.
BCBS Prefix ZTQ – California
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZTQ | California | Anthem Blue-Cross | HMO, Medicaid, POS |
The BCBS Prefix ZTQ belongs to Anthem Blue-Cross in California. Members carrying this prefix may enroll in HMO, Medicaid, or POS plans.
Patients with BCBS alpha prefix ZTQ commonly receive coverage through employer health plans. Verifying BCBS prefix ZTQ during insurance checks ensures claims are directed to the appropriate Anthem payer.
BCBS Prefix ZQJ – Tennessee
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZQJ | Tennessee | BCBS of Tennessee | HDHP, EPO, HMO |
The BCBS Prefix ZQJ identifies coverage under Blue Cross Blue Shield of Tennessee. Plans may include High-Deductible Health Plans, EPO, or HMO coverage.
Patients with BCBS alpha prefix ZQJ typically receive benefits through employer-sponsored programs in Tennessee. Confirming BCBS prefix ZQJ during eligibility checks helps avoid routing errors.
BCBS Prefix ZBF – Rhode Island
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZBF | Rhode Island | BCBS of Rhode Island | POS, Medicare Advantage, HDHP |
The BCBS Prefix ZBF belongs to Blue Cross Blue Shield of Rhode Island. Members may be enrolled in POS, Medicare Advantage, or High-Deductible Health Plans.
Patients with BCBS alpha prefix ZBF often have employer-sponsored insurance coverage. Verifying BCBS prefix ZBF ensures accurate claim routing within Rhode Island.
BCBS Prefix ZAR – Pennsylvania
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZAR | Pennsylvania | Highmark BCBS of Pennsylvania | POS, EPO, HMO |
The BCBS Prefix ZAR identifies plans under Highmark Blue Cross Blue Shield of Pennsylvania. Members with this prefix may have POS, EPO, or HMO plans.
Patients carrying BCBS alpha prefix ZAR often receive coverage through regional employer programs. Confirming BCBS prefix ZAR during eligibility verification ensures claims are submitted correctly.
BCBS Prefix ZBX – California
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZBX | California | Anthem Blue-Cross | EPO, HDHP, HMO |
The BCBS Prefix ZBX belongs to Anthem Blue-Cross in California. Members may have EPO, High-Deductible Health Plans, or HMO coverage.
Billing teams verifying BCBS prefix ZBX can submit claims accurately to the appropriate Anthem California payer. Additionally, you can also reference prior prefixes like BCBS Prefix List YAA to YZZ for comparative insights on regional routing.
BCBS Prefix ZWJ – Massachusetts
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZWJ | Massachusetts | BCBS of Massachusetts | HDHP, POS, PPO |
The BCBS Prefix ZWJ identifies coverage under Blue Cross Blue Shield of Massachusetts. Members may enroll in HDHP, POS, or PPO plans.
Verifying ZWJ BCBS prefix ensures claims are routed properly to Massachusetts BCBS payer channels.
BCBS Prefix ZGP – Texas
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZGP | Texas | BCBS of Texas | HMO, Traditional Indemnity, HDHP |
The ZGP BCBS Prefix belongs to Blue Cross Blue Shield of Texas. Members may have HMO, Traditional Indemnity, or High-Deductible Health Plans.
Billing teams confirming BCBS prefix ZGP help ensure accurate claim submissions within the Texas BCBS system.
BCBS ZGN Prefix – Texas
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| ZGN | Texas | BCBS of Texas | HDHP, Medicaid, POS |
The BCBS Prefix ZGN identifies plans under Blue Cross Blue Shield of Texas. Members may be enrolled in HDHP, Medicaid, or POS plans.
Verifying BCBS prefix ZGN during eligibility checks ensures claims reach the correct Texas BCBS payer.
Best Practices for Accurate Prefix Verification
Healthcare providers can improve billing accuracy by following structured practices.
First, always verify prefixes directly from the patient’s insurance card. This reduces manual errors.
Next, use clearinghouses or payer portals for real-time verification. These tools provide updated and reliable information.
In addition, maintaining a standardized workflow ensures consistency across the billing team.
Finally, regular staff training helps billing teams stay updated with payer requirements and billing guidelines.
How Accurate Prefix Usage Improves Billing Efficiency
Accurate prefix usage directly improves billing efficiency.
When billing teams verify prefixes correctly, claims are routed to the appropriate payer without delays. As a result, claim approval rates increase.
In addition, fewer errors lead to fewer denials. Consequently, billing teams spend less time correcting mistakes and more time processing claims.
Moreover, faster claim processing improves cash flow and ensures financial stability.
Challenges in Managing ZAA to ZZZ Prefix Range
Managing the ZAA to ZZZ prefix range can be challenging due to the large number of prefixes.
One major issue is confusion caused by similar-looking prefixes, which increases the risk of billing errors.
Another challenge is keeping up with updated payer assignments. Since BCBS operates through multiple regional organizations, prefix assignments may change.
In addition, manual verification processes increase the chances of human error. Therefore, using automated systems is highly recommended.
Why Accurate BCBS Prefix Verification Matters
Even though a BCBS prefix contains only three letters, it determines the responsible payer. Accurate verification helps providers:
- Route claims correctly
- Reduce claim denials
- Improve reimbursement timelines
- Enhance clean claim rates
Common Errors in ZAA to ZZZ Prefix Billing
Errors related to BCBS prefixes can disrupt the billing process.
One common issue is incorrect data entry. Even a minor mistake in the prefix can cause claims to be routed incorrectly. Consequently, billing teams must correct and resubmit those claims.
Another mistake is skipping eligibility verification. Without confirming the prefix, claims may be submitted with incorrect payer information.
Moreover, outdated prefix data can lead to errors. Since BCBS plans may update their systems, using current verification tools is essential.
FAQs – BCBS Alpha Prefix ZAA to ZZZ
Q. What is a BCBS alpha prefix?
A. A three-letter code on the member ID identifying the responsible BCBS organization.
Q. Why verify the BCBS prefix?
A. Verification ensures claims are routed correctly and prevents rejections.
Q. Can prefixes look similar across states?
A. Yes. Careful verification is required because different states may use similar prefixes under different BCBS networks.
Conclusion
The BCBS Prefix List ZAA to ZZZ helps providers and billing teams identify the correct payer for Z-series member ID prefixes. By verifying prefixes such as ZES, ZCL, or ZGP, claims can be accurately routed to the proper BCBS organization.
Consistent prefix verification improves clean claim rates and strengthens the revenue cycle. For healthcare practices seeking support, professional RCM services streamline eligibility verification, claim submission, and AR management.
