The BCBS Prefix List XAA to XZZ is a critical resource for medical billers, healthcare providers, and revenue cycle management teams who handle Blue Cross Blue Shield claims. Each BCBS insurance ID begins with a unique three-letter alpha prefix, and this prefix determines the specific BCBS organization responsible for processing the member’s coverage. Understanding the prefix ensures claims are routed accurately, reduces delays, and improves reimbursement efficiency.
With BCBS operating across multiple independent companies in different states, prefixes like XXU, XED, or XWO correspond to distinct regional plans. Verifying the prefix during insurance eligibility checks is essential for billing staff to avoid errors and ensure claims are submitted to the correct payer. For a comprehensive directory of all BCBS prefixes, visit the BCBS Prefix List hub page.
BCBS Prefix List XAA to XZZ
Accurate verification of BCBS prefixes in the XAA to XZZ range is key to preventing claim misrouting. Medical billing teams can save time and reduce denials by confirming each prefix before submitting claims. This section provides an overview of the X-series prefixes, their state mappings, payer organizations, and common plan types.
BCBS Prefix Finder – XAA to XZZ State & Plan Search
The BCBS Prefix Finder is a practical tool for identifying the BCBS organization linked to any X-series alpha prefix. Since each member ID begins with a three-letter code, using the finder reveals the state, payer, and plan type associated with a prefix.
For example, if a patient presents an insurance card with prefixes like XXU, XED, or XWO, billing staff can quickly verify the correct payer. This prevents misrouted claims, reduces administrative corrections, and ensures faster reimbursement. Instead of assuming the payer based on patient location or employer group, teams confirm the exact BCBS organization responsible for the policy.
Integrating prefix verification into eligibility checks helps maintain accuracy and efficiency across the revenue cycle. Providers who regularly check BCBS prefixes can avoid common billing errors and ensure clean claim submissions.
BCBS Prefix Lookup Table From XAA to XZZ
Below is a quick reference table summarizing the X-series prefixes, their states, BCBS organizations, and typical plan types.
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| XAB | Alabama | BCBS of Alabama | EPO, Medicaid, Traditional Indemnity |
| XAC | Alabama | BCBS of Alabama | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XAD | Alabama | BCBS of Alabama | Traditional Indemnity, PPO, EPO |
| XAE | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| XAF | Alabama | BCBS of Alabama | Medicare Advantage, POS, PPO |
| XAG | Alabama | BCBS of Alabama | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XAH | Arizona | BCBS of Arizona | Medicaid, HMO, POS |
| XAI | Alabama | BCBS of Alabama | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XAJ | Alabama | BCBS of Alabama | Traditional Indemnity, EPO, HMO |
| XAK | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), Medicaid, POS |
| XAL | Alabama | BCBS of Alabama | Medicare Advantage, PPO, Traditional Indemnity |
| XAM | Alabama | BCBS of Alabama | EPO, High-Deductible Health Plan (HDHP), HMO |
| XAN | Missouri | Anthem BCBS of Missouri | POS, Medicaid, PPO |
| XAO | California | Blue-Shield of California | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XAP | Alabama | BCBS of Alabama | HMO, EPO, Traditional Indemnity |
| XAQ | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| XAR | Alabama | BCBS of Alabama | Medicare Advantage, POS, HMO |
| XAS | Alabama | BCBS of Alabama | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XAT | Alabama | BCBS of Alabama | PPO, Medicaid, EPO |
| XAU | Colorado | Anthem BCBS of Colorado | Traditional Indemnity, HMO, Medicare Advantage |
| XAV | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), POS, PPO |
| XAW | California | Anthem Blue-Cross | Medicaid, EPO, Traditional Indemnity |
| XAX | Alabama | BCBS of Alabama | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XAY | Alabama | BCBS of Alabama | POS, PPO, EPO |
| XAZ | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| XBA | Arizona | BCBS of Arizona | Medicare Advantage, HMO, POS |
| XBB | Arizona | BCBS of Arizona | PPO, EPO, High-Deductible Health Plan (HDHP) |
| XBC | Arizona | BCBS of Arizona | Traditional Indemnity, Medicaid, HMO |
| XBD | Arizona | BCBS of Arizona | POS, Medicare Advantage, PPO |
| XBE | Arizona | BCBS of Arizona | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| XBF | Arizona | BCBS of Arizona | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| XBG | Arizona | BCBS of Arizona | Medicare Advantage, POS, Traditional Indemnity |
| XBH | Arizona | BCBS of Arizona | PPO, EPO, High-Deductible Health Plan (HDHP) |
| XBI | Arizona | BCBS of Arizona | HMO, Medicaid, POS |
| XBJ | New York | Empire BCBS of New York | Traditional Indemnity, Medicare Advantage, PPO |
| XBK | Arizona | BCBS of Arizona | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XBM | Arizona | BCBS of Arizona | EPO, HMO, POS |
| XBN | Arizona | BCBS of Arizona | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| XBO | Arizona | BCBS of Arizona | Medicare Advantage, PPO, EPO |
| XBP | Arizona | BCBS of Arizona | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| XBQ | Arizona | BCBS of Arizona | POS, Medicaid, PPO |
| XBR | Arizona | BCBS of Arizona | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XBS | Arizona | BCBS of Arizona | Traditional Indemnity, HMO, POS |
| XBT | Arizona | BCBS of Arizona | PPO, Medicaid, EPO |
| XBU | Arizona | BCBS of Arizona | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| XBV | Arizona | BCBS of Arizona | HMO, POS, High-Deductible Health Plan (HDHP) |
| XBW | Wisconsin | Anthem BCBS of Wisconsin | Medicaid, PPO, EPO |
| XBX | Arizona | BCBS of Arizona | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XBY | Arizona | BCBS of Arizona | HMO, POS, PPO |
| XCA | Arkansas | Arkansas BCBS | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| XCB | Arkansas | Arkansas BCBS | Traditional Indemnity, Medicare Advantage, HMO |
| XCC | Arkansas | Arkansas BCBS | PPO, High-Deductible Health Plan (HDHP), POS |
| XCD | Connecticut | Anthem BCBS of Connecticut | Medicaid, EPO, Traditional Indemnity |
| XCF | Arkansas | Arkansas BCBS | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| XCG | Arkansas | Arkansas BCBS | POS, PPO, EPO |
| XCH | Arkansas | Arkansas BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| XCI | Massachusetts | BCBS of Massachusetts | Medicare Advantage, HMO, POS |
| XCJ | Arkansas | Arkansas BCBS | EPO, PPO, Traditional Indemnity |
| XCK | Arkansas | Arkansas BCBS | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| XCL | Arkansas | Arkansas BCBS | POS, Medicare Advantage, PPO |
| XCM | Arkansas | Arkansas BCBS | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| XCN | Arkansas | Arkansas BCBS | HMO, Medicaid, POS |
| XCO | Minnesota | BCBS of Minnesota | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XCP | Arkansas | Arkansas BCBS | EPO, Traditional Indemnity, HMO |
| XCQ | Arkansas | Arkansas BCBS | Medicaid, POS, PPO |
| XCR | Arkansas | Arkansas BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| XCS | Arkansas | Arkansas BCBS | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XCT | Connecticut | Anthem BCBS of Connecticut | POS, PPO, Medicaid |
| XCU | Arkansas | Arkansas BCBS | Medicare Advantage, EPO, Traditional Indemnity |
| XCW | Arkansas | Arkansas BCBS | HMO, High-Deductible Health Plan (HDHP), POS |
| XCX | Arkansas | Arkansas BCBS | Medicaid, PPO, EPO |
| XCY | Arkansas | Arkansas BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| XCZ | Arkansas | Arkansas BCBS | POS, HMO, PPO |
| XDA | California | Anthem Blue-Cross | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| XDB | California | Anthem Blue-Cross | Traditional Indemnity, Medicare Advantage, HMO |
| XDC | California | Anthem Blue-Cross | PPO, POS, EPO |
| XDD | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| XDE | California | Anthem Blue-Cross | Medicare Advantage, HMO, POS |
| XDF | California | Anthem Blue-Cross | PPO, EPO, High-Deductible Health Plan (HDHP) |
| XDG | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, Medicaid, HMO |
| XDH | California | Anthem Blue-Cross | POS, Medicare Advantage, PPO |
| XDI | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| XDJ | California | Anthem Blue-Cross | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| XDK | California | Anthem Blue-Cross | Medicare Advantage, POS, Traditional Indemnity |
| XDL | California | Anthem Blue-Cross | PPO, EPO, High-Deductible Health Plan (HDHP) |
| XDM | California | Anthem Blue-Cross | HMO, Medicaid, POS |
| XDN | California | Anthem Blue-Cross | Traditional Indemnity, Medicare Advantage, PPO |
| XDO | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), EPO, HMO |
| XDP | California | Anthem Blue-Cross | Medicaid, POS, Traditional Indemnity |
| XDQ | California | Anthem Blue-Cross | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XDR | California | Anthem Blue-Cross | EPO, HMO, POS |
| XDS | California | Anthem Blue-Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| XDT | California | Anthem Blue-Cross | Medicare Advantage, PPO, EPO |
| XDU | California | Anthem Blue-Cross | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| XDV | Ohio | Anthem BCBS of Ohio | POS, Medicaid, PPO |
| XDW | California | Anthem Blue-Cross | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XDX | California | Anthem Blue-Cross | Traditional Indemnity, HMO, POS |
| XDY | Kentucky | Anthem BCBS of Kentucky | PPO, Medicaid, EPO |
| XDZ | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| XEA | California | Blue-Shield of California | HMO, POS, High-Deductible Health Plan (HDHP) |
| XEB | California | Blue-Shield of California | Medicaid, PPO, EPO |
| XEC | California | Blue-Shield of California | HMO, EPO, Traditional Indemnity |
| XED | California | Blue-Shield of California | POS, High-Deductible Health Plan (HDHP), Medicaid |
| XEE | California | Blue-Shield of California | PPO, Medicare Advantage, EPO |
| XEF | California | Blue-Shield of California | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XEG | California | Blue-Shield of California | Medicaid, PPO, POS |
| XEH | California | Blue-Shield of California | Medicare Advantage, HMO, Traditional Indemnity |
| XEI | California | Blue-Shield of California | EPO, High-Deductible Health Plan (HDHP), PPO |
| XEJ | California | Blue-Shield of California | POS, Medicaid, High-Deductible Health Plan (HDHP) |
| XEK | California | Blue-Shield of California | HMO, EPO, Medicare Advantage |
| XEL | California | Blue-Shield of California | Traditional Indemnity, PPO, HMO |
| XEM | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), POS, Traditional Indemnity |
| XEN | California | Blue-Shield of California | Medicaid, Medicare Advantage, EPO |
| XEO | California | Blue-Shield of California | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XEP | California | Blue-Shield of California | EPO, Traditional Indemnity, HMO |
| XEQ | California | Blue-Shield of California | Medicare Advantage, POS, High-Deductible Health Plan (HDHP) |
| XER | California | Blue-Shield of California | PPO, EPO, Traditional Indemnity |
| XES | California | Blue-Shield of California | HMO, High-Deductible Health Plan (HDHP), POS |
| XET | California | Blue-Shield of California | Medicaid, PPO, Medicare Advantage |
| XEU | California | Blue-Shield of California | Traditional Indemnity, EPO, HMO |
| XEV | California | Blue-Shield of California | POS, High-Deductible Health Plan (HDHP), Medicaid |
| XEW | California | Blue-Shield of California | Medicare Advantage, PPO, Traditional Indemnity |
| XEX | California | Blue-Shield of California | EPO, HMO, POS |
| XEY | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| XEZ | California | Blue-Shield of California | Traditional Indemnity, Medicare Advantage, EPO |
| XFA | Colorado | Anthem BCBS of Colorado | HMO, POS, High-Deductible Health Plan (HDHP) |
| XFB | Colorado | Anthem BCBS of Colorado | PPO, Medicaid, Traditional Indemnity |
| XFC | Colorado | Anthem BCBS of Colorado | EPO, Medicare Advantage, HMO |
| XFD | Colorado | Anthem BCBS of Colorado | High-Deductible Health Plan (HDHP), POS, Traditional Indemnity |
| XFE | Colorado | Anthem BCBS of Colorado | Medicaid, PPO, EPO |
| XFF | Colorado | Anthem BCBS of Colorado | Medicare Advantage, HMO, High-Deductible Health Plan (HDHP) |
| XFG | Colorado | Anthem BCBS of Colorado | Traditional Indemnity, POS, PPO |
| XFH | Colorado | Anthem BCBS of Colorado | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| XFI | Colorado | Anthem BCBS of Colorado | HMO, Medicare Advantage, Traditional Indemnity |
| XFJ | Colorado | Anthem BCBS of Colorado | POS, PPO, EPO |
| XFK | Colorado | Anthem BCBS of Colorado | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| XFL | Colorado | Anthem BCBS of Colorado | Medicare Advantage, Traditional Indemnity, POS |
| XFM | Colorado | Anthem BCBS of Colorado | PPO, EPO, High-Deductible Health Plan (HDHP) |
| XFN | Colorado | Anthem BCBS of Colorado | Medicaid, HMO, PPO |
| XFO | Colorado | Anthem BCBS of Colorado | Traditional Indemnity, POS, Medicare Advantage |
| XFP | Colorado | Anthem BCBS of Colorado | High-Deductible Health Plan (HDHP), EPO, HMO |
| XFQ | New Hampshire | Anthem BCBS of New Hampshire | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| XFR | Nevada | Anthem BCBS of Nevada | Medicare Advantage, Traditional Indemnity, POS |
| XFS | Colorado | Anthem BCBS of Colorado | EPO, HMO, PPO |
| XFT | Colorado | Anthem BCBS of Colorado | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| XFU | California | Blue-Shield of California | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XFV | Colorado | Anthem BCBS of Colorado | PPO, EPO, Traditional Indemnity |
| XFW | Colorado | Anthem BCBS of Colorado | HMO, Medicaid, High-Deductible Health Plan (HDHP) |
| XFX | Colorado | Anthem BCBS of Colorado | Medicare Advantage, POS, EPO |
| XFY | Colorado | Anthem BCBS of Colorado | Traditional Indemnity, PPO, HMO |
| XFZ | Colorado | Anthem BCBS of Colorado | High-Deductible Health Plan (HDHP), Medicaid, POS |
| XGA | Georgia | Anthem BCBS of Georgia | PPO, Medicare Advantage, Traditional Indemnity |
| XGB | Connecticut | Anthem BCBS of Connecticut | EPO, HMO, High-Deductible Health Plan (HDHP) |
| XGC | Connecticut | Anthem BCBS of Connecticut | Medicaid, POS, PPO |
| XGD | Connecticut | Anthem BCBS of Connecticut | Medicare Advantage, Traditional Indemnity, EPO |
| XGE | Connecticut | Anthem BCBS of Connecticut | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| XGF | Connecticut | Anthem BCBS of Connecticut | POS, PPO, Medicare Advantage |
| XGG | Connecticut | Anthem BCBS of Connecticut | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| XGH | Connecticut | Anthem BCBS of Connecticut | HMO, Medicaid, POS |
| XGI | Connecticut | Anthem BCBS of Connecticut | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| XGJ | Connecticut | Anthem BCBS of Connecticut | EPO, Medicare Advantage, HMO |
| XGK | Connecticut | Anthem BCBS of Connecticut | Medicaid, High-Deductible Health Plan (HDHP), POS |
| XGL | Connecticut | Anthem BCBS of Connecticut | Traditional Indemnity, PPO, Medicare Advantage |
| XGM | Connecticut | Anthem BCBS of Connecticut | HMO, EPO, High-Deductible Health Plan (HDHP) |
| XGN | Connecticut | Anthem BCBS of Connecticut | POS, Medicaid, Traditional Indemnity |
| XGO | Connecticut | Anthem BCBS of Connecticut | PPO, Medicare Advantage, HMO |
| XGP | Connecticut | Anthem BCBS of Connecticut | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| XGQ | New York | Empire BCBS of New York | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| XGR | Connecticut | Anthem BCBS of Connecticut | Medicare Advantage, PPO, EPO |
| XGS | Connecticut | Anthem BCBS of Connecticut | HMO, Traditional Indemnity, Medicaid |
| XGT | Connecticut | Anthem BCBS of Connecticut | High-Deductible Health Plan (HDHP), POS, PPO |
| XGU | New Hampshire | Anthem BCBS of New Hampshire | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XGV | Connecticut | Anthem BCBS of Connecticut | Traditional Indemnity, HMO, POS |
| XGW | New York | Empire BCBS of New York | Medicaid, PPO, EPO |
| XGX | New York | Empire BCBS of New York | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XGY | Connecticut | Anthem BCBS of Connecticut | HMO, POS, PPO |
| XGZ | Connecticut | Anthem BCBS of Connecticut | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| XHA | Delaware | Highmark BCBS of Delaware | Traditional Indemnity, Medicare Advantage, HMO |
| XHB | Kentucky | Anthem BCBS of Kentucky | PPO, High-Deductible Health Plan (HDHP), POS |
| XHC | Delaware | Highmark BCBS of Delaware | Medicaid, EPO, Traditional Indemnity |
| XHD | Delaware | Highmark BCBS of Delaware | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| XHE | Pennsylvania | Highmark BCBS | POS, PPO, EPO |
| XHF | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| XHG | Delaware | Highmark BCBS of Delaware | Medicare Advantage, HMO, POS |
| XHH | Delaware | Highmark BCBS of Delaware | EPO, PPO, Traditional Indemnity |
| XHI | Rhode Island | BCBS of Rhode Island | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| XHJ | Indiana | Anthem BCBS of Indiana | POS, Medicare Advantage, PPO |
| XHK | Arizona | BCBS of Arizona | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| XHL | California | Anthem Blue-Cross | HMO, Medicaid, POS |
| XHM | Delaware | BCBS of Delaware | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XHN | Massachusetts | BCBS of Massachusetts | EPO, Traditional Indemnity, HMO |
| XHO | Idaho | Blue-Cross of Idaho | Medicaid, POS, PPO |
| XHP | Delaware | Highmark BCBS of Delaware | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| XHQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XHR | Connecticut | Anthem BCBS of Connecticut | POS, PPO, Medicaid |
| XHS | Illinois | BCBS of Illinois | Medicare Advantage, EPO, Traditional Indemnity |
| XHT | Alaska | Premera BCBS of Alaska | HMO, High-Deductible Health Plan (HDHP), POS |
| XHU | California | Blue-Shield of California | Medicaid, PPO, EPO |
| XHV | New Hampshire | Anthem BCBS of New Hampshire | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| XHW | Georgia | Anthem BCBS of Georgia | POS, HMO, PPO |
| XHX | California | Anthem Blue-Cross | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| XHY | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, Medicare Advantage, HMO |
| XHZ | New York | Empire BCBS of New York | PPO, POS, EPO |
| XIA | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, Traditional Indemnity, EPO |
| XIB | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| XIC | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, Medicare Advantage, EPO |
| XID | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XIE | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, PPO, POS |
| XIF | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| XIG | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, Traditional Indemnity, PPO |
| XIH | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| XII | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, Medicare Advantage, POS |
| XIJ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), HMO, PPO |
| XIK | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, EPO, Traditional Indemnity |
| XIL | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XIM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, HMO, EPO |
| XIN | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| XIO | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, POS, PPO |
| XIP | California | Anthem Blue-Cross | EPO, Traditional Indemnity, HMO |
| XIQ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Medicaid, POS |
| XIR | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, Medicare Advantage, EPO |
| XIS | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XIT | Maryland | Carefirst BCBS of Maryland | Medicaid, POS, PPO |
| XIU | Maryland | Carefirst BCBS of Maryland | Medicare Advantage, EPO, Traditional Indemnity |
| XIV | Rhode Island | BCBS of Rhode Island | High-Deductible Health Plan (HDHP), HMO, POS |
| XIW | Ohio | Anthem BCBS of Ohio | PPO, Medicaid, EPO |
| XIX | Missouri | Anthem BCBS of Missouri | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XIY | Maryland | Carefirst BCBS of Maryland | HMO, POS, PPO |
| XIZ | Maryland | Carefirst BCBS of Maryland | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| XJA | Florida | BCBS of Florida | Traditional Indemnity, Medicare Advantage, HMO |
| XJB | Florida | BCBS of Florida | POS, PPO, EPO |
| XJC | Florida | BCBS of Florida | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| XJD | Florida | BCBS of Florida | PPO, Medicare Advantage, HMO |
| XJE | Florida | BCBS of Florida | EPO, High-Deductible Health Plan (HDHP), POS |
| XJF | Florida | BCBS of Florida | Traditional Indemnity, Medicaid, PPO |
| XJG | Florida | BCBS of Florida | HMO, Medicare Advantage, EPO |
| XJH | Florida | BCBS of Florida | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XJI | Florida | BCBS of Florida | Medicaid, POS, PPO |
| XJJ | Florida | BCBS of Florida | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XJK | Florida | BCBS of Florida | Traditional Indemnity, HMO, POS |
| XJL | Florida | BCBS of Florida | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XJM | Florida | BCBS of Florida | Medicare Advantage, EPO, Traditional Indemnity |
| XJN | Florida | BCBS of Florida | HMO, POS, PPO |
| XJO | Florida | BCBS of Florida | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| XJP | Florida | BCBS of Florida | Traditional Indemnity, Medicare Advantage, HMO |
| XJQ | Florida | BCBS of Florida | POS, PPO, High-Deductible Health Plan (HDHP) |
| XJR | Florida | BCBS of Florida | EPO, Medicaid, Traditional Indemnity |
| XJS | Florida | BCBS of Florida | HMO, Medicare Advantage, POS |
| XJT | Florida | BCBS of Florida | High-Deductible Health Plan (HDHP), PPO, EPO |
| XJU | Florida | BCBS of Florida | Traditional Indemnity, Medicaid, HMO |
| XJV | Maine | Anthem BCBS of Maine | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XJW | Florida | BCBS of Florida | PPO, EPO, Traditional Indemnity |
| XJX | Florida | BCBS of Florida | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| XJY | Florida | BCBS of Florida | Medicare Advantage, POS, PPO |
| XJZ | Florida | BCBS of Florida | EPO, Traditional Indemnity, HMO |
| XKA | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), Medicaid, POS |
| XKB | California | Blue-Shield of California | PPO, Medicare Advantage, EPO |
| XKC | Illinois | BCBS of Illinois | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XKD | Georgia | Anthem BCBS of Georgia | Medicaid, POS, PPO |
| XKE | Georgia | Anthem BCBS of Georgia | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XKF | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, HMO, POS |
| XKG | Georgia | Anthem BCBS of Georgia | PPO, Medicaid, EPO |
| XKH | Alaska | Premera BCBS of Alaska | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XKI | Georgia | Anthem BCBS of Georgia | HMO, POS, PPO |
| XKJ | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| XKK | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, Medicare Advantage, HMO |
| XKL | Georgia | Anthem BCBS of Georgia | POS, PPO, High-Deductible Health Plan (HDHP) |
| XKM | California | Anthem Blue-Cross | Medicaid, EPO, Traditional Indemnity |
| XKN | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| XKO | Georgia | Anthem BCBS of Georgia | POS, PPO, EPO |
| XKP | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| XKQ | California | Anthem Blue-Cross | Medicare Advantage, HMO, POS |
| XKR | Georgia | Anthem BCBS of Georgia | PPO, EPO, High-Deductible Health Plan (HDHP) |
| XKS | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, Medicaid, HMO |
| XKT | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), POS, PPO |
| XKU | Georgia | Anthem BCBS of Georgia | EPO, Medicare Advantage, Traditional Indemnity |
| XKV | Georgia | Anthem BCBS of Georgia | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| XKW | Georgia | Anthem BCBS of Georgia | POS, PPO, Medicare Advantage |
| XKX | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| XKY | Georgia | Anthem BCBS of Georgia | HMO, Medicaid, POS |
| XKZ | Georgia | Anthem BCBS of Georgia | PPO, Medicare Advantage, EPO |
| XLA | Hawaii | BCBS of Hawaii | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XLB | Hawaii | BCBS of Hawaii | Medicaid, POS, PPO |
| XLC | Hawaii | BCBS of Hawaii | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| XLD | Hawaii | BCBS of Hawaii | Traditional Indemnity, HMO, POS |
| XLE | Hawaii | BCBS of Hawaii | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XLF | Hawaii | BCBS of Hawaii | Medicare Advantage, EPO, Traditional Indemnity |
| XLG | Hawaii | BCBS of Hawaii | HMO, POS, PPO |
| XLH | Hawaii | BCBS of Hawaii | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| XLI | Hawaii | BCBS of Hawaii | Traditional Indemnity, Medicare Advantage, HMO |
| XLJ | Kentucky | Anthem BCBS of Kentucky | POS, PPO, High-Deductible Health Plan (HDHP) |
| XLK | Hawaii | BCBS of Hawaii | EPO, Medicaid, Traditional Indemnity |
| XLL | Hawaii | BCBS of Hawaii | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XLM | Hawaii | BCBS of Hawaii | POS, PPO, EPO |
| XLN | Hawaii | BCBS of Hawaii | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| XLO | California | Anthem Blue-Cross | Medicare Advantage, HMO, POS |
| XLP | Hawaii | BCBS of Hawaii | PPO, Traditional Indemnity, EPO |
| XLQ | Hawaii | BCBS of Hawaii | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| XLR | Hawaii | BCBS of Hawaii | Medicare Advantage, POS, PPO |
| XLS | New York (Western) | BCBS of Western New York | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XLT | Hawaii | BCBS of Hawaii | HMO, Medicaid, POS |
| XLU | New York | Empire BCBS of New York | PPO, Medicare Advantage, EPO |
| XLV | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XLW | Hawaii | BCBS of Hawaii | Medicaid, POS, PPO |
| XLX | Hawaii | BCBS of Hawaii | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| XLY | Hawaii | BCBS of Hawaii | Traditional Indemnity, HMO, POS |
| XLZ | Hawaii | BCBS of Hawaii | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XMA | Idaho | Blue-Cross of Idaho | HMO, EPO, Traditional Indemnity |
| XMB | Idaho | Blue-Cross of Idaho | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XMC | Maine | Anthem BCBS of Maine | POS, Medicare Advantage, EPO |
| XMD | Idaho | Blue-Cross of Idaho | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XME | Idaho | Blue-Cross of Idaho | Medicaid, PPO, POS |
| XMF | Idaho | Blue-Cross of Idaho | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| XMG | Idaho | Blue-Cross of Idaho | HMO, Traditional Indemnity, PPO |
| XMH | Idaho | Blue-Cross of Idaho | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| XMI | Idaho | Blue-Cross of Idaho | Traditional Indemnity, Medicare Advantage, POS |
| XMJ | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), HMO, PPO |
| XMK | Idaho | Blue-Cross of Idaho | Medicaid, EPO, Traditional Indemnity |
| XML | Idaho | Blue-Cross of Idaho | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XMM | Idaho | Blue-Cross of Idaho | PPO, HMO, EPO |
| XMN | Idaho | Blue-Cross of Idaho | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| XMO | Idaho | Blue-Cross of Idaho | Medicare Advantage, POS, PPO |
| XMP | Idaho | Blue-Cross of Idaho | EPO, Traditional Indemnity, HMO |
| XMQ | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), Medicaid, POS |
| XMR | Idaho | Blue-Cross of Idaho | PPO, Medicare Advantage, EPO |
| XMS | Idaho | Blue-Cross of Idaho | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XMT | Idaho | Blue-Cross of Idaho | Medicaid, POS, PPO |
| XMU | Idaho | Blue-Cross of Idaho | Medicare Advantage, EPO, Traditional Indemnity |
| XMV | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), HMO, POS |
| XMW | Illinois | BCBS of Illinois | PPO, Medicaid, EPO |
| XMX | Idaho | Blue-Cross of Idaho | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XMY | Idaho | Blue-Cross of Idaho | HMO, POS, PPO |
| XMZ | South Dakota/Iowa | Wellmark BCBS | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| XNA | Wisconsin | Anthem BCBS of Wisconsin | Traditional Indemnity, Medicare Advantage, HMO |
| XNB | Illinois | BCBS of Illinois | POS, PPO, EPO |
| XNC | North Carolina | BCBS of North Carolina | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| XND | Oregon/Idaho/Utah/Washington | Regence BCBS | PPO, Medicare Advantage, HMO |
| XNE | Oregon/Idaho/Utah/Washington | Regence BCBS | EPO, High-Deductible Health Plan (HDHP), POS |
| XNF | Oregon/Idaho/Utah/Washington | Regence BCBS | Traditional Indemnity, Medicaid, PPO |
| XNG | New York (Western) | BCBS of Western New York | HMO, Medicare Advantage, EPO |
| XNH | Oregon/Idaho/Utah/Washington | Regence BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XNI | Oregon/Idaho/Utah/Washington | Regence BCBS of Oregon | Medicaid, POS, PPO |
| XNJ | Oregon/Idaho/Utah/Washington | Regence BCBS | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XNK | California | Blue-Shield of California | Traditional Indemnity, HMO, POS |
| XNL | California | Anthem Blue-Cross | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XNM | Oregon/Idaho/Utah/Washington | Regence BCBS | Medicare Advantage, EPO, Traditional Indemnity |
| XNN | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO, POS, PPO |
| XNO | Oregon/Idaho/Utah/Washington | Regence BCBS | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| XNP | Oregon/Idaho/Utah/Washington | Regence BCBS | Traditional Indemnity, Medicare Advantage, HMO |
| XNQ | New York (Western) | BCBS of Western New York | POS, PPO, High-Deductible Health Plan (HDHP) |
| XNR | Oregon/Idaho/Utah/Washington | Regence BCBS | EPO, Medicaid, Traditional Indemnity |
| XNS | New Hampshire | Anthem BCBS of New Hampshire | HMO, Medicare Advantage, POS |
| XNT | Oregon/Idaho/Utah/Washington | Regence BCBS | High-Deductible Health Plan (HDHP), PPO, EPO |
| XNU | New York | Empire BCBS of New York | Traditional Indemnity, Medicaid, HMO |
| XNV | Oregon/Idaho/Utah/Washington | Regence BCBS | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XNW | Ohio | Anthem BCBS of Ohio | PPO, EPO, Traditional Indemnity |
| XNX | California | Anthem Blue-Cross | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| XNZ | New York | Empire BCBS of New York | Medicare Advantage, POS, PPO |
| XOA | Illinois | BCBS of Illinois | EPO, Traditional Indemnity, HMO |
| XOB | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), Medicaid, POS |
| XOC | Illinois | BCBS of Illinois | PPO, Medicare Advantage, EPO |
| XOD | Illinois | BCBS of Illinois | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XOE | Illinois | BCBS of Illinois | Medicaid, POS, PPO |
| XOF | Illinois | BCBS of Illinois | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XOG | Illinois | BCBS of Illinois | Traditional Indemnity, HMO, POS |
| XOH | Illinois | BCBS of Illinois | PPO, Medicaid, EPO |
| XOI | Illinois | BCBS of Illinois | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XOJ | Illinois | BCBS of Illinois | HMO, POS, PPO |
| XOK | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| XOL | Illinois | BCBS of Illinois | Traditional Indemnity, Medicare Advantage, HMO |
| XOM | Illinois | BCBS of Illinois | POS, PPO, High-Deductible Health Plan (HDHP) |
| XON | Illinois | BCBS of Illinois | Medicaid, EPO, Traditional Indemnity |
| XOO | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| XOP | Illinois | BCBS of Illinois | POS, PPO, EPO |
| XOQ | Illinois | BCBS of Illinois | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| XOR | Illinois | BCBS of Illinois | Medicare Advantage, HMO, POS |
| XOS | Illinois | BCBS of Illinois | PPO, EPO, High-Deductible Health Plan (HDHP) |
| XOT | Illinois | BCBS of Illinois | Traditional Indemnity, Medicaid, HMO |
| XOU | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), POS, PPO |
| XOV | Illinois | BCBS of Illinois | EPO, Medicare Advantage, Traditional Indemnity |
| XOW | Illinois | BCBS of Illinois | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| XOX | Illinois | BCBS of Illinois | POS, PPO, Medicare Advantage |
| XOY | Illinois | BCBS of Illinois | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| XOZ | Illinois | BCBS of Illinois | HMO, Medicaid, POS |
| XPA | Indiana | Anthem BCBS of Indiana | PPO, Medicare Advantage, EPO |
| XPB | Indiana | Anthem BCBS of Indiana | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XPC | Indiana | Anthem BCBS of Indiana | Medicaid, POS, PPO |
| XPD | Indiana | Anthem BCBS of Indiana | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| XPE | Indiana | Anthem BCBS of Indiana | Traditional Indemnity, HMO, POS |
| XPF | Indiana | Anthem BCBS of Indiana | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XPG | Indiana | Anthem BCBS of Indiana | Medicare Advantage, EPO, Traditional Indemnity |
| XPH | Indiana | Anthem BCBS of Indiana | HMO, POS, PPO |
| XPI | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| XPJ | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicare Advantage, HMO |
| XPK | Indiana | Anthem BCBS of Indiana | POS, PPO, High-Deductible Health Plan (HDHP) |
| XPL | California | Blue Cross of California | EPO, Medicaid, Traditional Indemnity |
| XPM | Ohio | Anthem BCBS of Ohio | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XPN | Ohio | Anthem BCBS of Ohio | POS, PPO, EPO |
| XPO | Idaho | Blue-Cross of Idaho | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| XPP | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicare Advantage, HMO, POS |
| XPQ | Idaho | Blue-Cross of Idaho | PPO, Traditional Indemnity, EPO |
| XPR | Indiana | Anthem BCBS of Indiana | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| XPS | Kentucky | Anthem BCBS of Kentucky | Medicare Advantage, POS, PPO |
| XPT | Minnesota | Blue Cross Blue Shield of Minnesota | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XPU | Indiana | Anthem BCBS of Indiana | HMO, Medicaid, POS |
| XPV | Indiana | Anthem BCBS of Indiana | PPO, Medicare Advantage, EPO |
| XPW | Indiana | Anthem BCBS of Indiana | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XPX | Indiana | Anthem BCBS of Indiana | Medicaid, POS, PPO |
| XPY | California | Blue Cross of California | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| XPZ | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, HMO, POS |
| XQA | South Dakota/Iowa | Wellmark BCBS | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XQB | South Dakota/Iowa | Wellmark BCBS | HMO, Traditional Indemnity, EPO |
| XQC | South Dakota/Iowa | Wellmark BCBS | POS, High-Deductible Health Plan (HDHP), Medicaid |
| XQD | South Dakota/Iowa | Wellmark BCBS | PPO, Medicare Advantage, EPO |
| XQE | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XQF | South Dakota/Iowa | Wellmark BCBS | Medicaid, PPO, POS |
| XQG | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| XQH | South Dakota/Iowa | Wellmark BCBS | HMO, Traditional Indemnity, PPO |
| XQI | South Dakota/Iowa | Wellmark BCBS | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| XQJ | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicare Advantage, POS |
| XQK | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), HMO, PPO |
| XQL | South Dakota/Iowa | Wellmark BCBS | Medicaid, EPO, Traditional Indemnity |
| XQM | South Dakota/Iowa | Wellmark BCBS | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XQN | South Dakota/Iowa | Wellmark BCBS | PPO, HMO, EPO |
| XQO | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| XQP | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, POS, PPO |
| XQQ | South Dakota/Iowa | Wellmark BCBS | EPO, Traditional Indemnity, HMO |
| XQR | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicaid, POS |
| XQS | South Dakota/Iowa | Wellmark BCBS | PPO, Medicare Advantage, EPO |
| XQT | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XQU | South Dakota/Iowa | Wellmark BCBS | Medicaid, POS, PPO |
| XQV | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, EPO, Traditional Indemnity |
| XQW | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), HMO, POS |
| XQX | South Dakota/Iowa | Wellmark BCBS | PPO, Medicaid, EPO |
| XQY | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XQZ | South Dakota/Iowa | Wellmark BCBS | HMO, POS, PPO |
| XRA | Massachusetts | BCBS of Massachusetts | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| XRB | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicare Advantage, HMO |
| XRC | Indiana | Anthem BCBS of Indiana | POS, PPO, EPO |
| XRD | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| XRE | Ohio | Anthem BCBS of Ohio | PPO, Medicare Advantage, HMO |
| XRF | New York | BCBS of Western New York | EPO, High-Deductible Health Plan (HDHP), POS |
| XRG | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicaid, PPO |
| XRH | Georgia | Anthem BCBS of Georgia | HMO, Medicare Advantage, EPO |
| XRI | Wisconsin | Anthem BCBS of Wisconsin | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XRJ | Virginia | Anthem BCBS of Virginia | Medicaid, POS, PPO |
| XRK | Virginia | Anthem BCBS of Virginia | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XRL | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, HMO, POS |
| XRM | Pennsylvania | Capital Blue-Cross of Pennsylvania | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XRN | Virginia | Anthem BCBS of Virginia | Medicare Advantage, EPO, Traditional Indemnity |
| XRO | Ohio | Anthem BCBS of Ohio | HMO, POS, PPO |
| XRP | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| XRQ | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, Medicare Advantage, HMO |
| XRR | California | Anthem Blue-Cross | POS, PPO, High-Deductible Health Plan (HDHP) |
| XRS | Georgia | Anthem BCBS of Georgia | EPO, Medicaid, Traditional Indemnity |
| XRT | California | Blue-Shield of California | HMO, Medicare Advantage, POS |
| XRU | Colorado | Anthem BCBS of Colorado | High-Deductible Health Plan (HDHP), PPO, EPO |
| XRV | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicaid, HMO |
| XRW | Maine | Anthem BCBS of Maine | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XRX | Massachusetts | BCBS of Massachusetts | PPO, EPO, Traditional Indemnity |
| XRY | Connecticut | Anthem BCBS of Connecticut | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| XRZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, POS, PPO |
| XSA | Kansas | BCBS of Kansas | EPO, Traditional Indemnity, HMO |
| XSB | Kansas | BCBS of Kansas | High-Deductible Health Plan (HDHP), Medicaid, POS |
| XSC | Kansas | BCBS of Kansas | PPO, Medicare Advantage, EPO |
| XSD | Kansas | BCBS of Kansas | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XSE | Kansas | BCBS of Kansas | Medicaid, POS, PPO |
| XSF | Kansas | BCBS of Kansas | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| XSG | Kansas | BCBS of Kansas | HMO, Traditional Indemnity, PPO |
| XSH | Kansas | BCBS of Kansas | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| XSI | Kansas | BCBS of Kansas | Traditional Indemnity, Medicare Advantage, POS |
| XSJ | Kansas | BCBS of Kansas | High-Deductible Health Plan (HDHP), HMO, PPO |
| XSK | Kansas | BCBS of Kansas | Medicaid, EPO, Traditional Indemnity |
| XSL | Kansas | BCBS of Kansas | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XSM | Kansas | BCBS of Kansas | PPO, HMO, EPO |
| XSN | Kansas | BCBS of Kansas | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| XSO | Nevada | Anthem BCBS of Nevada | Medicare Advantage, POS, PPO |
| XSQ | Kansas | BCBS of Kansas | EPO, Traditional Indemnity, HMO |
| XSR | Kansas | BCBS of Kansas | High-Deductible Health Plan (HDHP), Medicaid, POS |
| XSS | Connecticut | Anthem BCBS of Connecticut | PPO, Medicare Advantage, EPO |
| XST | Kansas | BCBS of Kansas | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| XSU | Georgia | Anthem BCBS of Georgia | Medicaid, POS, PPO |
| XSV | Kansas | BCBS of Kansas | Medicare Advantage, EPO, Traditional Indemnity |
| XSW | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, POS |
| XSX | Massachusetts | BCBS of Massachusetts | PPO, Medicaid, EPO |
| XSY | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XSZ | Kansas | BCBS of Kansas | HMO, POS, PPO |
| XTA | Kentucky | Anthem BCBS of Kentucky | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| XTB | Kentucky | Anthem BCBS of Kentucky | Traditional Indemnity, Medicare Advantage, HMO |
| XTC | Kentucky | Anthem BCBS of Kentucky | POS, PPO, EPO |
| XTD | Kentucky | Anthem BCBS of Kentucky | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| XTE | Kentucky | Anthem BCBS of Kentucky | PPO, Medicare Advantage, HMO |
| XTF | Kentucky | Anthem BCBS of Kentucky | EPO, High-Deductible Health Plan (HDHP), POS |
| XTG | Kentucky | Anthem BCBS of Kentucky | Traditional Indemnity, Medicaid, PPO |
| XTH | Kentucky | Anthem BCBS of Kentucky | HMO, Medicare Advantage, EPO |
| XTI | Kentucky | Anthem BCBS of Kentucky | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XTJ | Kentucky | Anthem BCBS of Kentucky | Medicaid, POS, PPO |
| XTK | Kentucky | Anthem BCBS of Kentucky | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XTL | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, HMO, POS |
| XTM | Connecticut | Anthem BCBS of Connecticut | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| XTN | Kentucky | Anthem BCBS of Kentucky | Medicare Advantage, EPO, Traditional Indemnity |
| XTO | Virginia | Anthem BCBS of Virginia | HMO, POS, PPO |
| XTP | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| XTQ | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, Medicare Advantage, HMO |
| XTR | Ohio | Anthem BCBS of Ohio | POS, PPO, High-Deductible Health Plan (HDHP) |
| XTS | California | Anthem Blue-Cross | EPO, Medicaid, Traditional Indemnity |
| XTT | Colorado | Anthem BCBS of Colorado | HMO, Medicare Advantage, POS |
| XTU | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), PPO, EPO |
| XTV | Kentucky | Anthem BCBS of Kentucky | Traditional Indemnity, Medicaid, HMO |
| XTW | Illinois | BCBS of Illinois | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XTX | South Dakota/Iowa | Wellmark BCBS | PPO, EPO, Traditional Indemnity |
| XTY | Texas | BCBS of Texas | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| XTZ | Ohio | Anthem BCBS of Ohio | Medicare Advantage, POS, PPO |
| XUA | Louisiana | BCBS of Louisiana | EPO, Traditional Indemnity, HMO |
| XUB | Louisiana | BCBS of Louisiana | PPO, EPO, Traditional Indemnity |
| XUC | Louisiana | BCBS of Louisiana | Medicaid, HMO, POS |
| XUD | Louisiana | BCBS of Louisiana | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| XUE | Louisiana | BCBS of Louisiana | Traditional Indemnity, HMO, PPO |
| XUF | Louisiana | BCBS of Louisiana | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| XUG | Louisiana | BCBS of Louisiana | POS, Medicare Advantage, HMO |
| XUH | Louisiana | BCBS of Louisiana | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| XUI | Louisiana | BCBS of Louisiana | EPO, Medicaid, Medicare Advantage |
| XUJ | Louisiana | BCBS of Louisiana | High-Deductible Health Plan (HDHP), Traditional Indemnity, POS |
| XUK | Louisiana | BCBS of Louisiana | HMO, PPO, EPO |
| XUL | Louisiana | BCBS of Louisiana | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| XUM | Louisiana | BCBS of Louisiana | PPO, Traditional Indemnity, HMO |
| XUN | Louisiana | BCBS of Louisiana | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| XUO | Indiana | Anthem BCBS of Indiana | POS, HMO, Medicaid |
| XUP | Louisiana | BCBS of Louisiana | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| XUQ | Louisiana | BCBS of Louisiana | EPO, Medicaid, Medicare Advantage |
| XUR | Louisiana | BCBS of Louisiana | HMO, POS, High-Deductible Health Plan (HDHP) |
| XUS | Louisiana | BCBS of Louisiana | Traditional Indemnity, PPO, EPO |
| XUT | Louisiana | BCBS of Louisiana | Medicare Advantage, HMO, POS |
| XUU | Louisiana | BCBS of Louisiana | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| XUV | Louisiana | BCBS of Louisiana | Medicaid, PPO, HMO |
| XUW | Louisiana | BCBS of Louisiana | Medicare Advantage, POS, High-Deductible Health Plan (HDHP) |
| XUX | Louisiana | BCBS of Louisiana | EPO, Traditional Indemnity, HMO |
| XUY | Louisiana | BCBS of Louisiana | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| XUZ | Louisiana | BCBS of Louisiana | HMO, Medicare Advantage, POS |
| XVA | Maine | Anthem BCBS of Maine | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| XVB | Maine | Anthem BCBS of Maine | PPO, Medicaid, Medicare Advantage |
| XVC | Maine | Anthem BCBS of Maine | HMO, POS, Traditional Indemnity |
| XVD | Alaska | Premera BCBS of Alaska | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| XVE | Maine | Anthem BCBS of Maine | Medicare Advantage, HMO, PPO |
| XVF | Maine | Anthem BCBS of Maine | Traditional Indemnity, POS, EPO |
| XVG | Maine | Anthem BCBS of Maine | High-Deductible Health Plan (HDHP), Medicaid, Medicare Advantage |
| XVH | Maine | Anthem BCBS of Maine | PPO, EPO, HMO |
| XVI | Maine | Anthem BCBS of Maine | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| XVJ | Maine | Anthem BCBS of Maine | Medicaid, Medicare Advantage, PPO |
| XVK | Kentucky | Anthem BCBS of Kentucky | EPO, HMO, Traditional Indemnity |
| XVL | Maine | Anthem BCBS of Maine | POS, High-Deductible Health Plan (HDHP), EPO |
| XVM | Maine | Anthem BCBS of Maine | Medicare Advantage, Medicaid, PPO |
| XVN | Maine | Anthem BCBS of Maine | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| XVO | Maine | Anthem BCBS of Maine | EPO, POS, Medicare Advantage |
| XVP | Maine | Anthem BCBS of Maine | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| XVQ | New Jersey | Horizon BCBS of New Jersey | Medicaid, PPO, EPO |
| XVR | Maine | Anthem BCBS of Maine | Medicare Advantage, HMO, POS |
| XVS | Illinois | BCBS of Illinois | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| XVT | Oregon/Idaho/Utah/Washington | Regence BCBS | PPO, Medicaid, Medicare Advantage |
| XVU | Illinois | BCBS of Illinois | HMO, POS, Traditional Indemnity |
| XVV | Connecticut | Anthem BCBS of Connecticut | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| XVW | Maine | Anthem BCBS of Maine | Medicare Advantage, PPO, HMO |
| XVY | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| XWC | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, Medicaid, Medicare Advantage |
| XWD | Colorado | Anthem BCBS of Colorado | HMO, PPO, Traditional Indemnity |
| XWE | Missouri | Anthem BCBS of Missouri | High-Deductible Health Plan (HDHP), EPO, POS |
| XWF | Missouri | Anthem BCBS of Missouri | PPO, Medicaid, HMO |
| XWG | New York | Empire BCBS of New York | Medicare Advantage, Traditional Indemnity, EPO |
| XWH | Wisconsin | Anthem BCBS of Wisconsin | HMO, POS, High-Deductible Health Plan (HDHP) |
| XWI | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, PPO, Medicaid |
| XWJ | Connecticut | Anthem BCBS of Connecticut | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XWK | Rhode Island | BCBS of Rhode Island | POS, HMO, Traditional Indemnity |
| XWL | Ohio | Anthem BCBS of Ohio | Medicaid, PPO, EPO |
| XWM | Rhode Island | BCBS of Rhode Island | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| XWN | Connecticut | Anthem BCBS of Connecticut | Traditional Indemnity, HMO, PPO |
| XWO | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| XWP | Wisconsin | Anthem BCBS of Wisconsin | PPO, Medicare Advantage, HMO |
| XWQ | Indiana | Anthem BCBS of Indiana | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| XWR | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, Medicaid, PPO |
| XWS | South Dakota/Iowa | Wellmark BCBS | HMO, Medicare Advantage, Traditional Indemnity |
| XWT | Alaska | Premera BCBS of Alaska | High-Deductible Health Plan (HDHP), POS, EPO |
| XWU | Colorado | Anthem BCBS of Colorado | Medicaid, PPO, HMO |
| XWV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| XWW | South Dakota/Iowa | Wellmark BCBS | POS, EPO, Medicaid |
| XWX | Colorado | Anthem BCBS of Colorado | High-Deductible Health Plan (HDHP), HMO, PPO |
| XWY | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, Medicare Advantage, POS |
| XWZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| XXA | Massachusetts | BCBS of Massachusetts | PPO, HMO, Medicare Advantage |
| XXB | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| XXC | Massachusetts | BCBS of Massachusetts | POS, Medicaid, PPO |
| XXD | Massachusetts | BCBS of Massachusetts | Medicare Advantage, HMO, Traditional Indemnity |
| XXE | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), EPO, POS |
| XXF | Massachusetts | BCBS of Massachusetts | PPO, Medicaid, HMO |
| XXG | Massachusetts | BCBS of Massachusetts | Medicare Advantage, Traditional Indemnity, EPO |
| XXH | Massachusetts | BCBS of Massachusetts | HMO, POS, High-Deductible Health Plan (HDHP) |
| XXI | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, PPO, Medicaid |
| XXJ | California | Anthem Blue-Cross | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XXK | Massachusetts | BCBS of Massachusetts | POS, HMO, Traditional Indemnity |
| XXM | Massachusetts | BCBS of Massachusetts | Medicaid, PPO, EPO |
| XXN | Massachusetts | BCBS of Massachusetts | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| XXO | Indiana | Anthem BCBS of Indiana | Traditional Indemnity, HMO, PPO |
| XXP | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| XXQ | Massachusetts | BCBS of Massachusetts | PPO, Medicare Advantage, HMO |
| XXR | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| XXS | Massachusetts | BCBS of Massachusetts | EPO, Medicaid, PPO |
| XXT | Massachusetts | BCBS of Massachusetts | HMO, Medicare Advantage, Traditional Indemnity |
| XXU | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), POS, EPO |
| XXV | Massachusetts | BCBS of Massachusetts | Medicaid, PPO, HMO |
| XXW | Massachusetts | BCBS of Massachusetts | Medicare Advantage, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| XXY | Massachusetts | BCBS of Massachusetts | POS, EPO, Medicaid |
| XXZ | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), HMO, PPO |
| XYA | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, Medicare Advantage, POS |
| XYB | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| XYC | Oklahoma | BCBS of Oklahoma | PPO, HMO, Medicare Advantage |
| XYD | Michigan | BCBS of Michigan | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| XYE | Michigan | BCBS of Michigan | POS, Medicaid, PPO |
| XYF | Michigan | BCBS of Michigan | Medicare Advantage, HMO, Traditional Indemnity |
| XYG | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), HMO, EPO |
| XYH | Michigan | BCBS of Michigan | Traditional Indemnity, PPO, Medicaid |
| XYI | Michigan | BCBS of Michigan | Medicare Advantage, EPO, POS |
| XYJ | Michigan | BCBS of Michigan | HMO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XYK | Michigan | BCBS of Michigan | POS, PPO, Medicaid |
| XYL | Michigan | BCBS of Michigan | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XYM | Oregon/Idaho/Utah/Washington | Regence BCBS | Traditional Indemnity, HMO, POS |
| XYN | Connecticut | Anthem BCBS of Connecticut | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| XYO | California | Anthem Blue-Cross | Medicare Advantage, Traditional Indemnity, EPO |
| XYP | Michigan | BCBS of Michigan | HMO, POS, High-Deductible Health Plan (HDHP) |
| XYQ | Michigan | BCBS of Michigan | PPO, Medicaid, Medicare Advantage |
| XYR | Michigan | BCBS of Michigan | EPO, Traditional Indemnity, HMO |
| XYS | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), POS, PPO |
| XYT | Illinois | BCBS of Illinois | Medicaid, EPO, Traditional Indemnity |
| XYU | Michigan | BCBS of Michigan | Medicare Advantage, HMO, High-Deductible Health Plan (HDHP) |
| XYV | Michigan | BCBS of Michigan | POS, PPO, EPO |
| XYW | Michigan | BCBS of Michigan | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| XYX | Michigan | BCBS of Michigan | Medicare Advantage, HMO, POS |
| XYY | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| XYZ | Connecticut | Anthem BCBS of Connecticut | PPO, Medicaid, Medicare Advantage |
| XZA | Minnesota | BCBS of Minnesota | HMO, POS, High-Deductible Health Plan (HDHP) |
| XZB | Minnesota | BCBS of Minnesota | Traditional Indemnity, EPO, PPO |
| XZC | Minnesota | BCBS of Minnesota | Medicaid, Medicare Advantage, HMO |
| XZD | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), POS, EPO |
| XZE | Minnesota | BCBS of Minnesota | PPO, Traditional Indemnity, Medicaid |
| XZF | Minnesota | BCBS of Minnesota | Medicare Advantage, HMO, High-Deductible Health Plan (HDHP) |
| XZG | Minnesota | BCBS of Minnesota | EPO, POS, PPO |
| XZH | Minnesota | BCBS of Minnesota | Traditional Indemnity, Medicaid, Medicare Advantage |
| XZI | Minnesota | BCBS of Minnesota | HMO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| XZJ | Minnesota | BCBS of Minnesota | POS, PPO, Medicaid |
| XZK | Minnesota | BCBS of Minnesota | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| XZL | Minnesota | BCBS of Minnesota | Traditional Indemnity, HMO, POS |
| XZM | Minnesota | BCBS of Minnesota | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| XZN | Minnesota | BCBS of Minnesota | Medicare Advantage, Traditional Indemnity, EPO |
| XZN | Minnesota | BCBS of Minnesota | HMO, POS, High-Deductible Health Plan (HDHP) |
| XZN | Minnesota | BCBS of Minnesota | PPO, Medicaid, Medicare Advantage |
| XZQ | Minnesota | BCBS of Minnesota | EPO, Traditional Indemnity, HMO |
| XZR | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), POS, PPO |
| XZS | Minnesota | BCBS of Minnesota | Medicaid, EPO, Traditional Indemnity |
| XZT | Minnesota | BCBS of Minnesota | Medicare Advantage, HMO, High-Deductible Health Plan (HDHP) |
| XZU | Minnesota | BCBS of Minnesota | POS, PPO, EPO |
| XZV | Minnesota | BCBS of Minnesota | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| XZX | Minnesota | BCBS of Minnesota | Medicare Advantage, HMO, POS |
| XZY | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| XZZ | Minnesota | BCBS of Minnesota | PPO, Medicaid, Medicare Advantage |
Common BCBS Prefixes in the XAA to XZZ Range
The following section lists frequently encountered X-series prefixes and provides detailed explanations to help medical billing teams verify claims efficiently. Each prefix section includes a table and naturally incorporates all keyword variations.
XXU BCBS Prefix – Massachusetts
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XXU | Massachusetts | BCBS of Massachusetts | HDHP, POS, EPO |
The BCBS Prefix XXU belongs to Blue Cross Blue Shield of Massachusetts. Members carrying this prefix may have High-Deductible Health Plans, POS plans, or EPO coverage depending on their employer group policy.
Patients with BCBS alpha prefix XXU usually receive coverage administered directly through the Massachusetts BCBS network. Because several employer-sponsored plans operate under this payer, billers must verify eligibility before submitting the claim.
During insurance verification, confirming BCBS prefix XXU helps billing teams ensure that claims are routed to the correct BCBS Massachusetts payer system.
XED BCBS Prefix – California
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XED | California | Blue Shield of California | POS, HDHP, Medicaid |
Blue Shield of California issues the BCBS Prefix XED. Depending on the plan structure, patients with this prefix may enroll in POS, HDHP, or Medicaid-related coverage.
Healthcare providers frequently encounter BCBS alpha prefix XED when treating patients covered under California employer health plans. Since Blue Shield manages multiple networks across the state, verifying the prefix becomes a key step during eligibility checks.
When billing staff confirm BCBS prefix XED, they can submit claims through the correct California BCBS processing channel and avoid unnecessary claim delays.
XXH BCBS Prefix – Massachusetts
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XXH | Massachusetts | BCBS of Massachusetts | HMO, POS, HDHP |
The BCBS Prefix XXH identifies coverage issued by Blue Cross Blue Shield of Massachusetts. Patients with this prefix may enroll in HMO, POS, or High-Deductible Health Plans.
Individuals with BCBS alpha prefix XXH often receive coverage through employer group insurance programs. Because multiple BCBS networks operate in Massachusetts, verifying the prefix ensures accurate claim routing.
Therefore, confirming BCBS prefix XXH during insurance verification helps billing teams submit claims to the appropriate BCBS Massachusetts payer. Additionally, you can also reference prior prefixes like BCBS Prefix List WAA to WZZ for comparative insights on regional routing.
XKK BCBS Prefix – Georgia
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XKK | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, Medicare Advantage, HMO |
Anthem Blue Cross Blue Shield of Georgia assigns the BCBS Prefix XKK.. Plans connected to this prefix may include Traditional Indemnity, Medicare Advantage, or HMO coverage.
Patients carrying BCBS alpha prefix XKK typically receive benefits through Anthem-managed employer health plans in Georgia. Because Anthem operates multiple BCBS networks across different states, verifying the prefix is particularly important.
When medical billing staff confirm BCBS prefix XKK, they ensure claims are routed correctly to the Georgia Anthem payer system.
XHP BCBS Prefix – Delaware
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XHP | Delaware | Highmark BCBS of Delaware | HDHP, Medicare Advantage, EPO |
The BCBS Prefix XHP belongs to Highmark Blue Cross Blue Shield of Delaware. Members using this prefix may have HDHP, Medicare Advantage, or EPO coverage depending on their insurance plan.
Providers who treat patients with BCBS alpha prefix XHP should always confirm the prefix during eligibility checks. Highmark administers several regional plans, and accurate verification helps avoid payer routing errors.
Once billing teams verify BCBS prefix XHP, they can submit claims through the correct Highmark Delaware processing system.
XKF BCBS Prefix – Georgia
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XKF | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, HMO, POS |
The BCBS Prefix XKF is also issued by Anthem Blue Cross Blue Shield of Georgia. Members with this prefix may hold Traditional Indemnity, HMO, or POS plans.
Patients with the BCBS alpha prefix XKF commonly enroll in employer-sponsored health plans administered by Anthem. Because Georgia BCBS operates under the Anthem network, prefix verification is necessary for accurate claim submission.
Therefore, confirming BCBS prefix XKF helps billing teams route claims correctly within the Anthem BCBS payer system.
XWO BCBS Prefix – Maryland/DC/Northern Virginia
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XWO | Maryland/DC/Northern Virginia | Carefirst BCBS | HDHP, Medicaid, EPO |
The BCBS Prefix XWO identifies coverage administered by CareFirst Blue Cross Blue Shield. Members with this prefix may enroll in HDHP, Medicaid, or EPO plans.
Patients carrying BCBS alpha prefix XWO often receive coverage through regional employer groups located in Maryland, Washington DC, or Northern Virginia.
Because CareFirst operates across multiple jurisdictions, verifying BCBS prefix XWO during eligibility checks ensures claims are routed to the correct CareFirst payer network.
XEA BCBS Prefix – California
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XEA | California | Blue Shield of California | HMO, POS, HDHP |
The BCBS Prefix XEA belongs to Blue Shield of California. Members with this prefix may have HMO, POS, or High-Deductible Health Plans.
Patients with the BCBS alpha prefix XEA commonly enroll in employer health programs across California.
Verifying BCBS prefix XEA during insurance verification helps providers ensure that claims are submitted through the correct California BCBS payer system.
XEM BCBS Prefix – California
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XEM | California | Blue Shield of California | HDHP, POS, Traditional Indemnity |
The BCBS Prefix XEM is issued by Blue Shield of California. Plans connected with this prefix may include HDHP, POS, or Traditional Indemnity coverage.
Patients with the BCBS alpha prefix XEM typically enroll in employer group insurance plans operating across California.
Therefore, verifying BCBS prefix XEM ensures that claims are directed to the correct Blue Shield of California payer channel.
XXP BCBS Prefix – Massachusetts
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XXP | Massachusetts | BCBS of Massachusetts | HDHP, Medicaid, EPO |
The XXP BCBS Prefix belongs to Blue Cross Blue Shield of Massachusetts. Members with this prefix may have HDHP, Medicaid, or EPO coverage depending on their policy.
Patients carrying BCBS alpha prefix XXP often receive insurance benefits through employer-sponsored plans across Massachusetts.
Confirming BCBS prefix XXP during eligibility verification helps billing teams ensure that claims are submitted to the correct BCBS Massachusetts payer.
XXG BCBS Prefix – Massachusetts
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XXG | Massachusetts | BCBS of Massachusetts | Medicare Advantage, Traditional Indemnity, EPO |
The XXG BCBS Prefix identifies coverage administered by Blue Cross Blue Shield of Massachusetts. Patients with this prefix may enroll in Medicare Advantage, Traditional Indemnity, or EPO plans.
Individuals carrying BCBS alpha prefix XXG are frequently covered under employer or Medicare-related insurance plans within the Massachusetts BCBS network.
Because several plans operate under the same payer, verifying BCBS prefix XXG ensures claims are routed correctly during the billing process.
XZJ BCBS Prefix – Minnesota
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| XZJ | Minnesota | BCBS of Minnesota | POS, PPO, Medicaid |
The BCBS Prefix XZJ belongs to Blue Cross Blue Shield of Minnesota. Members using this prefix may have POS, PPO, or Medicaid coverage depending on their insurance policy.
Patients with BCBS alpha prefix XZJ often receive coverage through regional employer groups within Minnesota.
Therefore, confirming BCBS prefix XZJ during insurance verification helps billing teams submit claims to the correct Minnesota BCBS payer system.
Why Accurate BCBS Prefix Verification Matters
Even a three-letter prefix like XXU, XED, or XWO determines the exact BCBS organization responsible for claims. Accurate verification:
- Routes claims to the correct BCBS payer
- Prevents denials or rejections
- Reduces administrative corrections
- Improves reimbursement timelines
Incorporating prefix checks into eligibility verification is essential for all billing teams to maintain revenue cycle efficiency.
Common Billing Errors With X-Series Prefixes
- Submitting claims to the wrong BCBS company – Assuming payer based on location rather than prefix.
- Skipping prefix verification – Leads to misrouted claims and denials.
- Confusing Anthem-managed plans – Multiple states under Anthem network require careful verification.
Why Accurate BCBS Prefix Identification Matters
Accurate BCBS prefix identification ensures that claims are submitted to the correct payer without delays. When billing teams verify prefixes properly, claim approval rates improve significantly.
In addition, correct prefix usage reduces denials and minimizes rework. As a result, healthcare providers can maintain consistent cash flow and improve overall efficiency.
FAQs – BCBS Alpha Prefix XAA to XZZ
Q. What does a BCBS alpha prefix indicate?
A. It’s the first three letters of a member ID card that identify the specific BCBS company managing the policy.
Q. Why is prefix verification important for billing?
A. It ensures claims are sent to the correct payer and reduces delays or denials.
Q. Can multiple states share similar prefixes?
A. Yes. Many BCBS organizations operate nationally, making prefix checks essential.
Conclusion
The BCBS Prefix List XAA to XZZ helps providers and billing teams identify the correct payer for X-series member ID prefixes. Verifying prefixes such as XXU, XED, or XWO ensures clean claim submission and faster reimbursements.
For healthcare practices seeking expert assistance, professional RCM services streamline claim submission, eligibility verification, and AR follow-ups, reducing administrative burdens and improving revenue cycle outcomes.
