The BCBS Prefix List MAA to MZZ serves as a vital resource for medical billers, clinics, and healthcare providers who need to submit accurate claims and avoid denials. Each prefix represents a specific BCBS issuing company, state, and plan type, including options like HMO, PPO, EPO, POS, HDHP, Medicare Advantage, and Traditional Indemnity. In this guide, we cover each prefix’s state, issuing company, and plan types, along with helpful tips for using BCBS Prefix Lookup tools. Additionally, we provide internal references to related BCBS prefix ranges for a smoother workflow across multiple states.

BCBS Prefix List MAA to MZZ
Using the correct prefix is critical because incorrect entries can cause claim rejections, delayed payments, and billing complications. This guide not only lists the prefixes in this range but also provides contextual tips, best practices for claim submission, and references to related prefix ranges for efficient cross-state verification.
For a complete overview of all BCBS prefixes, you can also visit our BCBS Prefix List – Lookup & Verification Guide, which serves as the central hub for medical billing professionals.
BCBS Prefix Finder – MAA to MZZ State & Plan Lookup
Using the BCBS Prefix Finder ensures that claims are sent to the right payer, preventing denials, delays, and rejections. Each prefix in this range covers multiple plan types across different states, making verification crucial for efficient medical billing.
BCBS Prefix Lookup from MAA to MZZ
From the table below you can check the every BCBS prefix from MAA to MZZ. Additionally, with our bcbs prefix finder you can search a prefix from the top of table within this range.
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| MAA | Washington | Premera Blue Cross | HMO, POS, Medicaid |
| MAB | Florida | BCBS of Florida | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MAC | Minnesota | BCBS of Minnesota | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MAD | Alaska | Premera BCBS of Alaska | Traditional Indemnity, PPO, Medicaid |
| MAE | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), EPO, HMO |
| MAF | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, Medicare Advantage, Traditional Indemnity |
| MAG | New Mexico | BCBS of New Mexico | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MAH | Virginia | Anthem BCBS of Virginia | EPO, HMO, Traditional Indemnity |
| MAI | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicaid, POS |
| MAJ | California | Blue Shield of California | Medicare Advantage, PPO, EPO |
| MAK | Kentucky | Anthem BCBS of Kentucky | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MAL | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, Medicaid, EPO |
| MAM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, Medicare Advantage, Traditional Indemnity |
| MAN | Maryland | Carefirst BCBS of Maryland | High-Deductible Health Plan (HDHP), HMO, POS |
| MAO | South Carolina | BCBS of South Carolina | EPO, Traditional Indemnity, PPO |
| MAP | Colorado | Anthem BCBS of Colorado | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MAQ | Florida | Florida-Blue | Traditional Indemnity, EPO, HMO |
| MAR | Georgia | Anthem BCBS of Georgia | PPO, POS, High-Deductible Health Plan (HDHP) |
| MAS | Georgia | Anthem BCBS of Georgia | Medicare Advantage, Medicaid, Traditional Indemnity |
| MAT | Texas | BCBS of Texas | High-Deductible Health Plan (HDHP), EPO, POS |
| MAU | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, Medicaid |
| MAV | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MAW | Connecticut | Anthem BCBS of Connecticut | POS, EPO, HMO |
| MAX | Illinois | BCBS of Illinois | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MAY | Nebraska | BCBS of Nebraska | Medicare Advantage, Traditional Indemnity, EPO |
| MAZ | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), HMO, POS |
| MBA | Ohio | Anthem BCBS of Ohio | PPO, Medicaid, EPO |
| MBB | Colorado | Anthem BCBS of Colorado | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MBC | Tennessee | BCBS of Tennessee | POS, EPO, PPO |
| MBD | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| MBE | Nebraska | BCBS of Nebraska | Medicare Advantage, HMO, POS |
| MBF | Georgia | Anthem BCBS of Georgia | PPO, High-Deductible Health Plan (HDHP), EPO |
| MBG | Alabama | BCBS of Alabama | Medicaid, Traditional Indemnity, Medicare Advantage |
| MBH | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), POS, HMO |
| MBI | Michigan | BCBS of Michigan | EPO, PPO, Traditional Indemnity |
| MBJ | Oregon/Idaho/Utah/Washington | Regence BCBS | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MBK | New York | Empire BCBS of New York | Traditional Indemnity, HMO, POS |
| MBL | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), PPO, EPO |
| MBM | Illinois | BCBS of Illinois | Medicaid, Medicare Advantage, Traditional Indemnity |
| MBN | Michigan | BCBS of Michigan | POS, EPO, High-Deductible Health Plan (HDHP) |
| MBO | Florida | Florida-Blue | PPO, HMO, Medicaid |
| MBP | Indiana | Anthem BCBS of Indiana | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MBQ | South Dakota/Iowa | Wellmark BCBS | EPO, POS, PPO |
| MBR | California | Anthem Blue-Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MBS | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, Medicare Advantage, EPO |
| MBT | Missouri | Anthem BCBS of Missouri | High-Deductible Health Plan (HDHP), PPO, POS |
| MBU | Massachusetts | BCBS of Massachusetts | HMO, Medicaid, Traditional Indemnity |
| MBV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| MBW | Ohio | Anthem BCBS of Ohio | POS, PPO, Traditional Indemnity |
| MBX | South Carolina | BCBS of South Carolina | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| MBY | South Carolina | BCBS of South Carolina | EPO, Medicare Advantage, PPO |
| MBZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| MCA | California | Blue-Shield of California | HMO, EPO, Traditional Indemnity |
| MCB | Kansas City | BCBS of Kansas City | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MCC | Texas | BCBS of Texas | Medicare Advantage, Traditional Indemnity, EPO |
| MCD | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), HMO, POS |
| MCE | Alaska | Premera BCBS of Alaska | PPO, Medicaid, EPO |
| MCF | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MCG | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, EPO, PPO |
| MCH | Florida | BCBS of Florida | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| MCI | Georgia | Anthem BCBS of Georgia | Medicare Advantage, HMO, POS |
| MCJ | West Virginia | Highmark BCBS of West Virginia | PPO, High-Deductible Health Plan (HDHP), EPO |
| MCK | South Dakota/Iowa | Wellmark BCBS | Medicaid, Traditional Indemnity, Medicare Advantage |
| MCL | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), POS, HMO |
| MCM | Arkansas | Arkansas BCBS | EPO, PPO, Traditional Indemnity |
| MCN | South Dakota/Iowa | Wellmark BCBS | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MCO | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, HMO, POS |
| MCQ | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), PPO, EPO |
| MCR | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, Medicare Advantage, Traditional Indemnity |
| MCS | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, EPO, High-Deductible Health Plan (HDHP) |
| MCT | South Dakota/Iowa | Wellmark BCBS | PPO, HMO, Medicaid |
| MCU | North Carolina | BCBS of North Carolina | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MCV | South Dakota/Iowa | Wellmark BCBS | EPO, POS, PPO |
| MCW | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MCX | Massachusetts | BCBS of Massachusetts | Medicaid, Medicare Advantage, EPO |
| MCY | Pennsylvania | Highmark BCBS | High-Deductible Health Plan (HDHP), PPO, POS |
| MCZ | Indiana | Anthem BCBS of Indiana | HMO, Medicaid, Traditional Indemnity |
| MDA | Michigan | BCBS of Michigan | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| MDB | South Carolina | BCBS of South Carolina | POS, PPO, Traditional Indemnity |
| MDC | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| MDD | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, Medicare Advantage, PPO |
| MDE | California | Anthem Blue-Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| MDF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, Medicaid, EPO |
| MDG | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MDH | Rhode Island | BCBS of Rhode Island | POS, EPO, HMO |
| MDI | South Dakota/Iowa | Wellmark BCBS | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MDJ | Indiana | Anthem BCBS of Indiana | Traditional Indemnity, Medicare Advantage, EPO |
| MDK | North Carolina | BCBS of North Carolina | High-Deductible Health Plan (HDHP), HMO, POS |
| MDL | Illinois | BCBS of Illinois | PPO, Medicaid, Traditional Indemnity |
| MDM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| MDN | Wisconsin | Anthem BCBS of Wisconsin | POS, HMO, Traditional Indemnity |
| MDO | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| MDP | California | Blue-Shield of California | Medicare Advantage, EPO, POS |
| MDQ | Minnesota | BCBS of Minnesota | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MDR | Wisconsin | Anthem BCBS of Wisconsin | PPO, Medicaid, Medicare Advantage |
| MDS | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), POS, EPO |
| MDT | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| MDU | South Dakota/Iowa | Wellmark BCBS | Medicaid, Medicare Advantage, PPO |
| MDV | Louisiana | BCBS of Louisiana | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| MDW | South Dakota/Iowa | Wellmark BCBS | POS, PPO, HMO |
| MDX | Illinois | BCBS of Illinois | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MDY | Kansas City | BCBS of Kansas City | Traditional Indemnity, EPO, POS |
| MDZ | Minnesota | BCBS of Minnesota | PPO, HMO, High-Deductible Health Plan (HDHP) |
| MEA | California | Blue-Shield of California | Medicare Advantage, Medicaid, Traditional Indemnity |
| MEB | Maine | Anthem BCBS of Maine | HMO, POS, Medicaid |
| MEC | Virginia | Anthem BCBS of Virginia | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MED | Indiana | Anthem BCBS of Indiana | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MEE | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, PPO, Medicaid |
| MEF | Maryland | Carefirst BCBS of Maryland | High-Deductible Health Plan (HDHP), EPO, HMO |
| MEG | Georgia | Anthem BCBS of Georgia | POS, Medicare Advantage, Traditional Indemnity |
| MEH | Maryland | Carefirst BCBS of Maryland | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MEI | Michigan | BCBS of Michigan | EPO, HMO, Traditional Indemnity |
| MEJ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Medicaid, POS |
| MEK | California | Blue-Shield of California | Medicare Advantage, PPO, EPO |
| MEL | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MEM | South Dakota/Iowa | Wellmark BCBS | POS, Medicaid, EPO |
| MEN | Maine | Anthem BCBS of Maine | PPO, Medicare Advantage, Traditional Indemnity |
| MEO | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, POS |
| MEP | Maine | Anthem BCBS of Maine | EPO, Traditional Indemnity, PPO |
| MEQ | California | Blue-Shield of California | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MER | Wisconsin | Anthem BCBS of Wisconsin | Traditional Indemnity, EPO, HMO |
| MES | Oklahoma | BCBS of Oklahoma | PPO, POS, High-Deductible Health Plan (HDHP) |
| MET | Nebraska | BCBS of Nebraska | Medicare Advantage, Medicaid, Traditional Indemnity |
| MEU | Texas | BCBS of Texas | High-Deductible Health Plan (HDHP), EPO, POS |
| MEW | Maine | Anthem BCBS of Maine | HMO, PPO, Medicaid |
| MEX | New Mexico | BCBS of New Mexico | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MEY | Maine | Anthem BCBS of Maine | POS, EPO, HMO |
| MEZ | New Mexico | BCBS of New Mexico | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MFA | Illinois | BCBS of Illinois | Medicare Advantage, Traditional Indemnity, EPO |
| MFB | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), HMO, POS |
| MFC | Georgia | Anthem BCBS of Georgia | PPO, Medicaid, EPO |
| MFD | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MFE | California | Anthem Blue-Cross | POS, EPO, PPO |
| MFF | Oregon/Idaho/Utah/Washington | Regence BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| MFG | Ohio | Anthem BCBS of Ohio | Medicare Advantage, HMO, POS |
| MFH | Georgia | Anthem BCBS of Georgia | PPO, High-Deductible Health Plan (HDHP), EPO |
| MFI | South Dakota/Iowa | Wellmark BCBS | Medicaid, Traditional Indemnity, Medicare Advantage |
| MFJ | Wisconsin | BCBS of Wisconsin | High-Deductible Health Plan (HDHP), POS, HMO |
| MFK | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, PPO, Traditional Indemnity |
| MFL | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MFM | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, HMO, POS |
| MFN | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), PPO, EPO |
| MFO | Wisconsin | Anthem BCBS of Wisconsin | Medicaid, Medicare Advantage, Traditional Indemnity |
| MFP | Oregon/Idaho/Utah/Washington | Regence BCBS | POS, EPO, High-Deductible Health Plan (HDHP) |
| MFQ | Virginia | Anthem BCBS of Virginia | PPO, HMO, Medicaid |
| MFS | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MFT | California | Anthem Blue Cross of California | EPO, POS, PPO |
| MFU | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MFV | Illinois | BCBS of Illinois | Medicaid, Medicare Advantage, EPO |
| MFW | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), PPO, POS |
| MFX | Michigan | BCBS of Michigan | HMO, Medicaid, Traditional Indemnity |
| MFY | Minnesota | BCBS of Minnesota | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| MFZ | Illinois | BCBS of Illinois | POS, PPO, Traditional Indemnity |
| MGA | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| MGB | Pennsylvania | Capital Blue-Cross of Pennsylvania | EPO, Medicare Advantage, PPO |
| MGC | Illinois | BCBS of Illinois | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| MGD | Alaska | Premera BCBS of Alaska | HMO, EPO, Medicaid |
| MGE | Rhode Island | BCBS of Rhode Island | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| MGF | Nevada | Anthem BCBS of Nevada | Traditional Indemnity, HMO, EPO |
| MGG | California | Blue-Shield of California | POS, PPO, High-Deductible Health Plan (HDHP) |
| MGH | Massachusetts | BCBS of Massachusetts | Medicaid, Medicare Advantage, Traditional Indemnity |
| MGI | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), EPO, POS |
| MGJ | Missouri | Anthem BCBS of Missouri | PPO, HMO, Medicaid |
| MGK | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MGL | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, POS, PPO |
| MGM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, Medicaid, High-Deductible Health Plan (HDHP) |
| MGN | South Carolina | BCBS of South Carolina | Medicare Advantage, Traditional Indemnity, EPO |
| MGO | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), POS, HMO |
| MGP | South Dakota/Iowa | Wellmark BCBS | PPO, Medicaid, Traditional Indemnity |
| MGQ | Minnesota | BCBS of Minnesota | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| MGR | Michigan | BCBS of Michigan | POS, HMO, PPO |
| MGS | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| MGT | Oregon/Idaho/Utah/Washington | Regence BCBS | EPO, Medicare Advantage, POS |
| MGU | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), PPO, HMO |
| MGV | South Carolina | BCBS of South Carolina | Traditional Indemnity, Medicaid, EPO |
| MGW | Arkansas | Arkansas BCBS | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MGX | Massachusetts | BCBS of Massachusetts | POS, HMO, Traditional Indemnity |
| MGY | California | Blue-Shield of California | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| MGZ | New Jersey | Horizon BCBS of New Jersey | Medicare Advantage, PPO, HMO |
| MHA | Kansas City | BCBS of Kansas City | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| MHB | Texas | BCBS of Texas | POS, Medicaid, Traditional Indemnity |
| MHC | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), PPO, EPO |
| MHD | New York | Empire BCBS of New York | HMO, Traditional Indemnity, Medicare Advantage |
| MHF | South Dakota/Iowa | Wellmark BCBS | EPO, High-Deductible Health Plan (HDHP), POS |
| MHG | California | Anthem Blue-Cross | PPO, Medicaid, HMO |
| MHH | Michigan | BCBS of Michigan | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MHI | Georgia | Anthem BCBS of Georgia | POS, EPO, PPO |
| MHK | South Dakota/Iowa | Wellmark BCBS | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MHL | South Carolina | BCBS of South Carolina | Medicare Advantage, HMO, POS |
| MHM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, PPO, High-Deductible Health Plan (HDHP) |
| MHN | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicaid, Medicare Advantage |
| MHP | New York | Empire BCBS of New York | High-Deductible Health Plan (HDHP), HMO, POS |
| MHQ | Georgia | Anthem BCBS of Georgia | PPO, EPO, Traditional Indemnity |
| MHR | Ohio | Anthem BCBS of Ohio | Medicaid, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MHS | Kentucky | Anthem BCBS of Kentucky | POS, HMO, Traditional Indemnity |
| MHT | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), PPO, EPO |
| MHW | Alabama | BCBS of Alabama | Medicare Advantage, Medicaid, Traditional Indemnity |
| MHX | Georgia | BCBS of Georgia | EPO, POS, High-Deductible Health Plan (HDHP) |
| MHY | California | Anthem Blue-Cross | HMO, PPO, Medicaid |
| MHZ | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MIA | California | Blue-Shield of California | POS, EPO, PPO |
| MIB | Minnesota | BCBS of Minnesota | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MIC | South Carolina | BCBS of South Carolina | Medicare Advantage, HMO, POS |
| MIE | Minnesota | BCBS of Minnesota | EPO, High-Deductible Health Plan (HDHP), PPO |
| MIF | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicaid, Medicare Advantage |
| MIG | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), POS, HMO |
| MIH | Georgia | BCBS of Georgia | PPO, EPO, Traditional Indemnity |
| MII | Kansas City | BCBS of Kansas City | HMO, POS, Medicaid |
| MIJ | Michigan | BCBS of Michigan | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MIL | Massachusetts | BCBS of Massachusetts | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MIM | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, PPO, Medicaid |
| MIN | Alaska | Premera BCBS of Alaska | High-Deductible Health Plan (HDHP), EPO, HMO |
| MIO | California | Blue-Shield of California | POS, Medicare Advantage, Traditional Indemnity |
| MIP | Idaho | Blue-Cross of Idaho | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MIQ | Ohio | Anthem BCBS of Ohio | EPO, HMO, Traditional Indemnity |
| MIS | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), Medicaid, POS |
| MIT | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, PPO, EPO |
| MIU | South Carolina | BCBS of South Carolina | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MIV | New York (Western) | BCBS of Western New York | POS, Medicaid, EPO |
| MIW | Michigan | BCBS of Michigan | PPO, Medicare Advantage, Traditional Indemnity |
| MIX | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, POS |
| MIZ | California | Blue-Shield of California | EPO, Traditional Indemnity, PPO |
| MJA | California | Blue Shield of Northeastern New York | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MJB | Colorado | Anthem BCBS of Colorado | Traditional Indemnity, EPO, HMO |
| MJC | Texas | BCBS of Texas | PPO, POS, High-Deductible Health Plan (HDHP) |
| MJD | Alabama | BCBS of Alabama | Medicare Advantage, Medicaid, Traditional Indemnity |
| MJE | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), EPO, POS |
| MJF | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, Medicaid |
| MJG | Alaska | Premera BCBS of Alaska | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MJH | Wisconsin | Anthem BCBS of Wisconsin | POS, EPO, HMO |
| MJI | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| MJJ | Michigan | BCBS of Michigan | Medicare Advantage, HMO, POS |
| MJK | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, High-Deductible Health Plan (HDHP), EPO |
| MJL | California | Anthem Blue-Cross | Medicaid, Traditional Indemnity, Medicare Advantage |
| MJM | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), POS, HMO |
| MJN | Pennsylvania | Highmark BCBS of Pennsylvania | EPO, PPO, Traditional Indemnity |
| MJO | Connecticut | Anthem BCBS of Connecticut | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MJP | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, HMO, POS |
| MJQ | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), PPO, EPO |
| MJR | Michigan | BCBS of Michigan | Medicaid, Medicare Advantage, Traditional Indemnity |
| MJS | Tennessee | BCBS of Tennessee | POS, EPO, High-Deductible Health Plan (HDHP) |
| MJT | Wisconsin | Anthem BCBS of Wisconsin | PPO, HMO, Medicaid |
| MJU | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MJV | Wisconsin | Anthem BCBS of Wisconsin | EPO, POS, PPO |
| MJW | Georgia | BCBS of Georgia | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MJX | Michigan | BCBS of Michigan | Medicaid, Medicare Advantage, EPO |
| MKA | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), PPO, POS |
| MKB | California | Blue-Shield of California | HMO, Medicaid, Traditional Indemnity |
| MKC | South Carolina | BCBS of South Carolina | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| MKD | Massachusetts | BCBS of Massachusetts | POS, PPO, Traditional Indemnity |
| MKE | Tennessee | BCBS of Tennessee | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| MKF | Washington | Premera Blue Cross | PPO, EPO, Medicaid |
| MKG | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| MKH | Tennessee | BCBS of Tennessee | HMO, PPO, High-Deductible Health Plan (HDHP) |
| MKI | Tennessee | BCBS of Tennessee | Traditional Indemnity, POS, Medicare Advantage |
| MKJ | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), EPO, PPO |
| MKK | California | Anthem Blue-Cross | Medicaid, HMO, Traditional Indemnity |
| MKL | Mississippi | BCBS of Mississippi | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| MKM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, PPO, Medicaid |
| MKN | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| MKO | Michigan | BCBS of Michigan | Medicare Advantage, POS, EPO |
| MKP | Michigan | BCBS of Michigan | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| MKQ | California | Anthem Blue Cross of California | Traditional Indemnity, HMO, Medicare Advantage |
| MKR | Illinois | BCBS of Illinois | EPO, High-Deductible Health Plan (HDHP), POS |
| MKS | Massachusetts | BCBS of Massachusetts | Medicaid, PPO, Traditional Indemnity |
| MKT | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| MKU | Alaska | Premera BCBS of Alaska | HMO, POS, High-Deductible Health Plan (HDHP) |
| MKV | New Jersey | Horizon BCBS of New Jersey | Traditional Indemnity, PPO, Medicaid |
| MKW | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| MKX | Virginia | Anthem BCBS of Virginia | POS, HMO, Traditional Indemnity |
| MKY | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| MKZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, Medicare Advantage, POS |
| MLA | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MLC | Illinois | BCBS of Illinois | PPO, EPO, High-Deductible Health Plan (HDHP) |
| MLE | Illinois | BCBS of Illinois | Medicaid, Traditional Indemnity, Medicare Advantage |
| MLF | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), POS, HMO |
| MLG | Pennsylvania | Highmark BCBS of Pennsylvania | EPO, PPO, Medicaid |
| MLH | South Carolina | BCBS of South Carolina | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MLI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, EPO, HMO |
| MLJ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| MLK | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, Medicare Advantage, EPO |
| MLL | California | Blue-Shield of California | PPO, High-Deductible Health Plan (HDHP), POS |
| MLM | Pennsylvania | Highmark BCBS of Pennsylvania | Medicaid, HMO, Traditional Indemnity |
| MLN | California | Blue-Shield of California | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MLO | New York (Western) | BCBS of Western New York | Traditional Indemnity, PPO, Medicaid |
| MLP | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), EPO, HMO |
| MLQ | Minnesota | BCBS of Minnesota | Medicare Advantage, POS, PPO |
| MLR | Massachusetts | BCBS of Massachusetts | Medicaid, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| MLS | Alabama | BCBS of Alabama | POS, EPO, HMO |
| MLT | Nebraska | BCBS of Nebraska | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| MLU | Minnesota | BCBS of Minnesota | Medicare Advantage, Traditional Indemnity, POS |
| MLV | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), EPO, HMO |
| MLW | Georgia | BCBS of Georgia | PPO, Medicaid, Medicare Advantage |
| MLX | Idaho | Blue-Cross of Idaho | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| MLY | Alaska | Premera BCBS of Alaska | Medicaid, POS, PPO |
| MLZ | Rhode Island | BCBS of Rhode Island | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| MMA | New York | Empire BCBS of New York | Traditional Indemnity, EPO, POS |
| MMB | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, PPO, High-Deductible Health Plan (HDHP) |
| MMC | Georgia | Anthem BCBS of Georgia | HMO, Medicaid, Traditional Indemnity |
| MMD | Alaska | Premera BCBS of Alaska | EPO, High-Deductible Health Plan (HDHP), POS |
| MME | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, Medicare Advantage, HMO |
| MMF | New York | Excellus BCBS of New York | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| MMG | Mississippi | BCBS of Mississippi | Medicaid, POS, Traditional Indemnity |
| MMH | New York | Empire BCBS of New York | HMO, POS, Medicaid |
| MMI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MMJ | Michigan | BCBS of Michigan | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MMK | Illinois | BCBS of Illinois | Traditional Indemnity, PPO, Medicaid |
| MML | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), EPO, HMO |
| MMM | Minnesota | BCBS of Minnesota | POS, Medicare Advantage, Traditional Indemnity |
| MMN | Minnesota | BCBS of Minnesota | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MMO | Michigan | BCBS of Michigan | EPO, HMO, Traditional Indemnity |
| MMP | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), Medicaid, POS |
| MMQ | Indiana | Anthem BCBS of Indiana | Medicare Advantage, PPO, EPO |
| MMR | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MMS | Ohio | Anthem BCBS of Ohio | POS, Medicaid, EPO |
| MMT | California | Blue-Shield of California | PPO, Medicare Advantage, Traditional Indemnity |
| MMU | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), HMO, POS |
| MMV | Ohio | Anthem BCBS of Ohio | EPO, Traditional Indemnity, PPO |
| MMW | Illinois | BCBS of Illinois | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MMX | Alabama | BCBS of Alabama | Traditional Indemnity, EPO, HMO |
| MMY | Indiana | Anthem BCBS of Indiana | PPO, POS, High-Deductible Health Plan (HDHP) |
| MMZ | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, Medicaid, Traditional Indemnity |
| MNA | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), EPO, POS |
| MNB | Massachusetts | BCBS of Massachusetts | HMO, PPO, Medicaid |
| MNC | California | Anthem Blue-Cross | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MND | Wisconsin | Anthem BCBS of Wisconsin | POS, EPO, HMO |
| MNE | Wisconsin | Anthem BCBS of Wisconsin | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MNF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicare Advantage, Traditional Indemnity, EPO |
| MNG | Tennessee | BCBS of Tennessee | High-Deductible Health Plan (HDHP), HMO, POS |
| MNH | Virginia | Anthem BCBS of Virginia | PPO, Medicaid, EPO |
| MNI | Georgia | BCBS of Georgia | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MNJ | Ohio | Anthem BCBS of Ohio | POS, EPO, HMO |
| MNK | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| MNL | outh Carolina | BCBS of South Carolina | Medicare Advantage, Traditional Indemnity, EPO |
| MNM | Minnesota | BCBS of Minnesota | HMO, POS, High-Deductible Health Plan (HDHP) |
| MNN | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, Medicaid, Traditional Indemnity |
| MNO | North Carolina | BCBS of North Carolina | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| MNP | California | Blue-Shield of California | POS, HMO, PPO |
| MNQ | Minnesota | BCBS of Minnesota | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| MNR | Minnesota | BCBS of Minnesota | EPO, Medicare Advantage, POS |
| MNS | Kentucky | Anthem BCBS of Kentucky | High-Deductible Health Plan (HDHP), PPO, HMO |
| MNT | Illinois | BCBS of Illinois | Traditional Indemnity, Medicaid, EPO |
| MNU | North Carolina | BCBS of North Carolina | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MNV | South Carolina | BCBS of South Carolina | POS, HMO, Traditional Indemnity |
| MNW | Alaska | Premera BCBS of Alaska | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| MNX | Illinois | BCBS of Illinois | Medicare Advantage, PPO, HMO |
| MNY | Alaska | Premera Blue-Cross of Alaska | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| MNZ | South Dakota/Iowa | Wellmark BCBS | POS, Medicaid, Traditional Indemnity |
| MOA | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), PPO, EPO |
| MOC | Georgia | Anthem BCBS of Georgia | HMO, Traditional Indemnity, Medicare Advantage |
| MOD | Massachusetts | BCBS of Massachusetts | EPO, High-Deductible Health Plan (HDHP), POS |
| MOE | Illinois | BCBS of Illinois | PPO, Medicaid, HMO |
| MOF | California | Blue-Shield of California | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MOG | New York (Western) | BCBS of Western New York | POS, EPO, PPO |
| MOI | Massachusetts | BCBS of Massachusetts | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MOJ | Ohio | Anthem BCBS of Ohio | Medicare Advantage, HMO, POS |
| MOK | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, PPO, High-Deductible Health Plan (HDHP) |
| MOM | California | Anthem Blue Cross of California | Traditional Indemnity, Medicaid, Medicare Advantage |
| MOQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), HMO, POS |
| MOR | Alaska | Premera BCBS of Alaska | PPO, EPO, Traditional Indemnity |
| MOS | California | Blue-Shield of California | Medicaid, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MOT | Massachusetts | BCBS of Massachusetts | POS, HMO, Traditional Indemnity |
| MOU | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), PPO, EPO |
| MOV | Arkansas | Arkansas BCBS | Medicare Advantage, Medicaid, Traditional Indemnity |
| MOW | Kentucky | Anthem BCBS of Kentucky | EPO, POS, High-Deductible Health Plan (HDHP) |
| MOX | Illinois | BCBS of Illinois | HMO, PPO, Medicaid |
| MOY | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MPA | Ohio | Anthem BCBS of Ohio | POS, EPO, PPO |
| MPB | Georgia | Anthem BCBS of Georgia | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MPC | Rhode Island | BCBS of Rhode Island | Medicare Advantage, HMO, POS |
| MPD | Texas | BCBS of Texas | EPO, High-Deductible Health Plan (HDHP), PPO |
| MPE | Michigan | BCBS of Michigan | Traditional Indemnity, Medicaid, Medicare Advantage |
| MPF | New York | Excellus BCBS of New York | High-Deductible Health Plan (HDHP), POS, HMO |
| MPG | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, EPO, Traditional Indemnity |
| MPH | New York | Empire BCBS of New York | HMO, POS, Medicaid |
| MPI | California | Anthem Blue-Cross | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MPJ | South Carolina | BCBS of South Carolina | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MPL | Illinois | BCBS of Illinois | Traditional Indemnity, PPO, Medicaid |
| MPM | New York (Northeastern) | Blue-Shield of Northeastern New York | High-Deductible Health Plan (HDHP), EPO, HMO |
| MPN | South Dakota/Iowa | Wellmark BCBS | POS, Medicare Advantage, Traditional Indemnity |
| MPO | Alabama | BCBS of Alabama | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MPP | Wisconsin | Anthem BCBS of Wisconsin | EPO, HMO, Traditional Indemnity |
| MPQ | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), Medicaid, POS |
| MPR | California | Anthem Blue-Cross | Medicare Advantage, PPO, EPO |
| MPS | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MPT | Minnesota | BCBS of Minnesota | POS, Medicaid, EPO |
| MPU | Ohio | Anthem BCBS of Ohio | PPO, Medicare Advantage, Traditional Indemnity |
| MPV | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), HMO, POS |
| MPW | Ohio | Anthem BCBS of Ohio | EPO, Traditional Indemnity, PPO |
| MPX | Minnesota | BCBS of Minnesota | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MPY | Florida | BCBS of Florida | Traditional Indemnity, EPO, HMO |
| MQA | Michigan | BCBS of Michigan | PPO, POS, High-Deductible Health Plan (HDHP) |
| MQB | New York | Empire BCBS | Medicare Advantage, Medicaid, Traditional Indemnity |
| MQC | California | Anthem Blue Cross of California | High-Deductible Health Plan (HDHP), EPO, POS |
| MQD | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, Medicaid |
| MQE | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MQF | Western New York | BCBS of Western New York | POS, EPO, HMO |
| MQG | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MQH | Michigan | BCBS of Michigan | Medicare Advantage, Traditional Indemnity, EPO |
| MQI | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), HMO, POS |
| MQJ | Michigan | BCBS of Michigan | PPO, Medicaid, EPO |
| MQK | Michigan | BCBS of Michigan | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MQL | Michigan | BCBS of Michigan | POS, EPO, PPO |
| MQN | North Carolina | BCBS of North Carolina | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| MQO | Michigan | BCBS of Michigan | Medicare Advantage, HMO, POS |
| MQP | California | Anthem Blue Cross of California | PPO, High-Deductible Health Plan (HDHP), EPO |
| MQQ | Idaho | Blue-Cross of Idaho | Medicaid, Traditional Indemnity, Medicare Advantage |
| MQR | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), POS, HMO |
| MQT | Minnesota | BCBS of Minnesota | EPO, PPO, Traditional Indemnity |
| MQU | Wisconsin | Anthem BCBS of Wisconsin | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MQV | Nebraska | BCBS of Nebraska | Traditional Indemnity, HMO, POS |
| MQW | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), PPO, EPO |
| MQX | California | Anthem Blue-Cross | Medicaid, Medicare Advantage, Traditional Indemnity |
| MQY | North Carolina | BCBS of North Carolina | POS, EPO, High-Deductible Health Plan (HDHP) |
| MQZ | California | Anthem Blue-Cross | PPO, HMO, Medicaid |
| MRA | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MRC | Illinois | BCBS of Illinois | EPO, POS, PPO |
| MRE | South Dakota/Iowa | Wellmark BCBS | HMO, POS, Medicaid |
| MRF | Michigan | BCBS of Michigan | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MRG | Illinois | BCBS of Illinois | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MRH | Wisconsin | Anthem BCBS of Wisconsin | Traditional Indemnity, PPO, Medicaid |
| MRI | California | Blue Shield of California | High-Deductible Health Plan (HDHP), EPO, HMO |
| MRJ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, Medicare Advantage, Traditional Indemnity |
| MRK | Massachusetts | BCBS of Massachusetts | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MRL | South Dakota/Iowa | Wellmark BCBS | EPO, HMO, Traditional Indemnity |
| MRM | Kansas City | BCBS of Kansas City | High-Deductible Health Plan (HDHP), Medicaid, POS |
| MRN | Wisconsin | Anthem BCBS of Wisconsin | Medicare Advantage, PPO, EPO |
| MRP | Wisconsin | Anthem BCBS of Wisconsin | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MRQ | Ohio | Anthem BCBS of Ohio | POS, Medicaid, EPO |
| MRR | Minnesota | BCBS of Minnesota | PPO, Medicare Advantage, Traditional Indemnity |
| MRS | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), HMO, POS |
| MRT | Texas | BCBS of Texas | EPO, Traditional Indemnity, PPO |
| MRU | Pennsylvania | Highmark BCBS of Pennsylvania | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MRV | California | Anthem Blue-Cross | Traditional Indemnity, EPO, HMO |
| MRW | Illinois | BCBS of Illinois | PPO, POS, High-Deductible Health Plan (HDHP) |
| MRX | Wisconsin | Anthem BCBS of Wisconsin | Medicare Advantage, Medicaid, Traditional Indemnity |
| MRY | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), EPO, POS |
| MRZ | Illinois | BCBS of Illinois | HMO, PPO, Medicaid |
| MSA | Alabama | BCBS of Alabama | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MSB | South Dakota/Iowa | Wellmark BCBS | POS, EPO, HMO |
| MSC | Alabama | BCBS of Alabama | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MSD | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicare Advantage, Traditional Indemnity, EPO |
| MSE | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), HMO, POS |
| MSF | New York | Empire BCBS of New York | PPO, Medicaid, EPO |
| MSG | Michigan | BCBS of Michigan | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MSH | Michigan | BCBS of Michigan | POS, EPO, PPO |
| MSI | Oregon/Idaho/Utah/Washington | Regence BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| MSJ | Alaska | Premera BCBS of Alaska | Medicare Advantage, HMO, POS |
| MSK | Massachusetts | BCBS of Massachusetts | PPO, High-Deductible Health Plan (HDHP), EPO |
| MSL | Virginia | Carefirst Administrators | Medicaid, Traditional Indemnity, Medicare Advantage |
| MSM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), POS, HMO |
| MSN | Ohio | Anthem BCBS of Ohio | EPO, PPO, Traditional Indemnity |
| MSO | Nebraska | BCBS of Nebraska | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MSP | Alaska | Premera BCBS of Alaska | Traditional Indemnity, HMO, POS |
| MSQ | Alaska | Premera BCBS of Alaska | High-Deductible Health Plan (HDHP), PPO, EPO |
| MSR | Michigan | BCBS of Michigan | Medicaid, Medicare Advantage, Traditional Indemnity |
| MSS | Virginia | Anthem BCBS of Virginia | POS, EPO, High-Deductible Health Plan (HDHP) |
| MST | Alaska | Premera BCBS of Alaska | PPO, HMO, Medicaid |
| MSU | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MSV | Alabama | BCBS of Alabama | EPO, POS, PPO |
| MSW | Illinois | BCBS of Illinois | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MSX | California | Anthem Blue Cross of California | Medicaid, Medicare Advantage, EPO |
| MSY | North Carolina | BCBS of North Carolina | High-Deductible Health Plan (HDHP), PPO, POS |
| MSZ | California | Anthem Blue-Cross | HMO, Medicaid, Traditional Indemnity |
| MTA | Virginia | Anthem BCBS of Virginia | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| MTB | South Dakota/Iowa | Wellmark BCBS | POS, PPO, Traditional Indemnity |
| MTC | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| MTD | Alaska | Premera BCBS of Alaska | EPO, Medicare Advantage, PPO |
| MTE | California | Blue-Shield of California | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| MTF | Georgia | Anthem BCBS of Georgia | PPO, Medicaid, EPO |
| MTG | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS of Maryland | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MTH | South Dakota/Iowa | Wellmark BCBS | POS, EPO, HMO |
| MTI | California | Blue-Shield of California | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MTJ | Idaho | Blue Cross of Idaho | Traditional Indemnity, Medicare Advantage, EPO |
| MTK | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), HMO, POS |
| MTL | Texas | BCBS of Texas | PPO, Medicaid, Traditional Indemnity |
| MTM | South Carolina | BCBS of South Carolina | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| MTN | Massachusetts | BCBS of Massachusetts | POS, HMO, Traditional Indemnity |
| MTO | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| MTP | Massachusetts | BCBS of Massachusetts | Medicare Advantage, EPO, POS |
| MTQ | f California | Blue Shield of California | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MTR | Tennessee | BCBS of Tennessee | PPO, Medicaid, Medicare Advantage |
| MTS | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), POS, EPO |
| MTT | California | Blue-Shield of California | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| MTU | Alaska | Premera Blue-Cross of Alaska | Medicaid, Medicare Advantage, PPO |
| MTV | Indiana | Anthem BCBS of Indiana | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| MTW | Ohio | Anthem BCBS of Ohio | POS, PPO, HMO |
| MTX | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MTY | California | Anthem Blue-Cross | Traditional Indemnity, EPO, POS |
| MTZ | Illinois | BCBS of Illinois | PPO, HMO, High-Deductible Health Plan (HDHP) |
| MUA | Texas | BCBS of Texas | Medicare Advantage, Medicaid, Traditional Indemnity |
| MUB | Virginia | Anthem BCBS of Virginia | HMO, POS, Medicaid |
| MUC | South Dakota/Iowa | Wellmark BCBS | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MUD | South Dakota/Iowa | Wellmark BCBS | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MUE | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, PPO, Medicaid |
| MUF | Wisconsin | Anthem BCBS of Wisconsin | High-Deductible Health Plan (HDHP), EPO, HMO |
| MUG | Arkansas | Arkansas BCBS | POS, Medicare Advantage, Traditional Indemnity |
| MUH | Idaho | Blue-Cross of Idaho | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MUJ | Indiana | Anthem BCBS of Indiana | EPO, HMO, Traditional Indemnity |
| MUK | Wisconsin | Anthem BCBS of Wisconsin | High-Deductible Health Plan (HDHP), Medicaid, POS |
| MUL | Illinois | BCBS of Illinois | Medicare Advantage, PPO, EPO |
| MUM | Arizona | BCBS of Arizona | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MUN | Illinois | BCBS of Illinois | POS, Medicaid, EPO |
| MUO | Wisconsin | Anthem BCBS of Wisconsin | PPO, Medicare Advantage, Traditional Indemnity |
| MUP | South Carolina | BCBS of South Carolina | High-Deductible Health Plan (HDHP), HMO, POS |
| MUQ | Alaska | Premera Blue-Cross of Alaska | EPO, Traditional Indemnity, PPO |
| MUR | Michigan | BCBS of Michigan | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MUS | Illinois | BCBS of Illinois | Traditional Indemnity, EPO, HMO |
| MUT | Minnesota | BCBS of Minnesota | PPO, POS, High-Deductible Health Plan (HDHP) |
| MUU | Michigan | BCBS of Michigan | Medicare Advantage, Medicaid, Traditional Indemnity |
| MUV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), EPO, POS |
| MUW | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, PPO, Medicaid |
| MUX | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MUY | Alabama | BCBS of Alabama | POS, EPO, HMO |
| MUZ | Michigan | BCBS of Michigan | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MVA | Montana | BCBS of Montana | Medicare Advantage, Traditional Indemnity, EPO |
| MVB | Vermont | BCBS of Vermont | High-Deductible Health Plan (HDHP), HMO, POS |
| MVC | South Carolina | BCBS of South Carolina | HMO, POS, Medicaid |
| MVD | Alaska | Premera BCBS of Alaska | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MVE | Massachusetts | BCBS of Massachusetts | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MVF | New York | Empire BCBS of New York | Traditional Indemnity, PPO, Medicaid |
| MVG | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), EPO, HMO |
| MVH | South Dakota/Iowa | Wellmark BCBS | POS, Medicare Advantage, Traditional Indemnity |
| MVI | Michigan | BCBS of Michigan | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MVJ | California | Blue-Shield of California | EPO, HMO, Traditional Indemnity |
| MVK | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), Medicaid, POS |
| MVL | Massachusetts | BCBS of Massachusetts | Medicare Advantage, PPO, EPO |
| MVM | Alabama | BCBS of Alabama | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MVN | New York | Empire BCBS of New York | POS, Medicaid, EPO |
| MVO | Idaho | Blue-Cross of Idaho | PPO, Medicare Advantage, Traditional Indemnity |
| MVP | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), HMO, POS |
| MVQ | Idaho | Blue-Cross of Idaho | EPO, Traditional Indemnity, PPO |
| MVR | Pennsylvania | Highmark BCBS of Pennsylvania | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MVS | California | Blue Shield of California | Traditional Indemnity, EPO, HMO |
| MVT | Minnesota | BCBS of Minnesota | PPO, POS, High-Deductible Health Plan (HDHP) |
| MVU | Indiana | Anthem BCBS of Indiana | Medicare Advantage, Medicaid, Traditional Indemnity |
| MVV | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), EPO, POS |
| MVX | South Carolina | BCBS of South Carolina | HMO, PPO, Medicaid |
| MVY | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MVZ | Texas | BCBS of Texas | POS, EPO, HMO |
| MWA | Illinois | BCBS of Illinois | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MWD | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, Traditional Indemnity, EPO |
| MWE | Wisconsin | Anthem BCBS of Wisconsin | High-Deductible Health Plan (HDHP), HMO, POS |
| MWF | Illinois | BCBS of Illinois | PPO, Medicaid, EPO |
| MWG | Minnesota | BCBS of Minnesota | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MWH | Illinois | BCBS of Illinois | POS, EPO, PPO |
| MWJ | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| MWK | New Jersey | Horizon BCBS of New Jersey | Medicare Advantage, HMO, POS |
| MWL | Illinois | BCBS of Illinois | PPO, High-Deductible Health Plan (HDHP), EPO |
| MWM | Wisconsin | Anthem BCBS of Wisconsin | Medicaid, Traditional Indemnity, Medicare Advantage |
| MWN | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), POS, HMO |
| MWO | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, PPO, Traditional Indemnity |
| MWP | Massachusetts | BCBS of Massachusetts | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| MWQ | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, HMO, POS |
| MWR | Kansas City | BCBS of Kansas City | High-Deductible Health Plan (HDHP), PPO, EPO |
| MWS | Virginia | Anthem BCBS of Virginia | Medicaid, Medicare Advantage, Traditional Indemnity |
| MWT | California | Blue Shield of California | POS, EPO, High-Deductible Health Plan (HDHP) |
| MWU | Wisconsin | Anthem BCBS of Wisconsin | PPO, HMO, Medicaid |
| MWV | Wisconsin | Anthem BCBS of Wisconsin | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| MWW | Nevada | Anthem BCBS of Nevada | EPO, POS, PPO |
| MWX | Alabama | BCBS of Alabama | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MWZ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicaid, Medicare Advantage, EPO |
| MXA | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), PPO, POS |
| MXB | Pennsylvania | Highmark BCBS | HMO, Medicaid, Traditional Indemnity |
| MXD | Texas | BCBS of Texas | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| MXE | Texas | BCBS of Texas | POS, PPO, Traditional Indemnity |
| MXF | New York | Empire BCBS of New York | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| MXG | Massachusetts | BCBS of Massachusetts | PPO, EPO, Medicaid |
| MXH | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| MXI | California | Blue-Shield of California | HMO, PPO, High-Deductible Health Plan (HDHP) |
| MXJ | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, POS, Medicare Advantage |
| MXK | Pennsylvania | Capital Blue-Cross of Pennsylvania | High-Deductible Health Plan (HDHP), EPO, PPO |
| MXL | South Dakota/Iowa | Wellmark BCBS | Medicaid, HMO, Traditional Indemnity |
| MXM | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| MXN | Massachusetts | BCBS of Massachusetts | EPO, PPO, Medicaid |
| MXO | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| MXP | Massachusetts | BCBS of Massachusetts | Medicare Advantage, POS, EPO |
| MXQ | New York | Empire BCBS of New York | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| MXR | California | Anthem Blue-Cross | Traditional Indemnity, HMO, Medicare Advantage |
| MXS | Georgia | Anthem BCBS of Georgia | EPO, High-Deductible Health Plan (HDHP), POS |
| MXU | Connecticut | Anthem BCBS of Connecticut | Medicaid, PPO, Traditional Indemnity |
| MXV | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| MXW | Idaho | Blue-Cross of Idaho | HMO, POS, High-Deductible Health Plan (HDHP) |
| MXX | Minnesota | BCBS of Minnesota | Traditional Indemnity, PPO, Medicaid |
| MXY | Massachusetts | BCBS of Massachusetts | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| MXZ | Alaska | Premera BCBS of Alaska | POS, HMO, Traditional Indemnity |
| MYB | Oregon/Idaho/Utah/Washington | Regence BCBS | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| MYD | Massachusetts | BCBS of Massachusetts | EPO, Medicare Advantage, POS |
| MYE | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MYF | New York | Empire BCBS of New York | PPO, EPO, High-Deductible Health Plan (HDHP) |
| MYG | South Dakota/Iowa | Wellmark BCBS | Medicaid, Traditional Indemnity, Medicare Advantage |
| MYH | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), POS, HMO |
| MYI | Massachusetts | BCBS of Massachusetts | EPO, PPO, Medicaid |
| MYK | Massachusetts | BCBS of Massachusetts | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MYL | Massachusetts | BCBS of Massachusetts | POS, EPO, HMO |
| MYM | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| MYN | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicare Advantage, EPO |
| MYP | Georgia | BCBS of Georgia | PPO, High-Deductible Health Plan (HDHP), POS |
| MYQ | Massachusetts | BCBS of Massachusetts | Medicaid, HMO, Traditional Indemnity |
| MYR | Alabama | BCBS of Alabama | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MYS | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, PPO, Medicaid |
| MYT | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), EPO, HMO |
| MYU | Massachusetts | BCBS of Massachusetts | Medicare Advantage, POS, PPO |
| MYV | Utah | Regence Blue Cross Blue Shield of Utah | Medicaid, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| MYW | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, EPO, HMO |
| MYX | Oklahoma | BCBS of Oklahoma | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| MYY | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, Traditional Indemnity, POS |
| MYZ | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), EPO, HMO |
| MZA | South Dakota/Iowa | Wellmark BCBS | PPO, Medicaid, Medicare Advantage |
| MZB | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| MZC | Rhode Island | BCBS of Rhode Island | Medicaid, POS, PPO |
| MZD | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| MZE | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, EPO, POS |
| MZF | Illinois | BCBS of Illinois | Medicare Advantage, PPO, High-Deductible Health Plan (HDHP) |
| MZG | Illinois | BCBS of Illinois | HMO, Medicaid, Traditional Indemnity |
| MZH | Arizona | BCBS of Arizona | EPO, High-Deductible Health Plan (HDHP), POS |
| MZI | California | Blue-Shield of California | PPO, Medicare Advantage, HMO |
| MZJ | Wisconsin | Anthem BCBS of Wisconsin | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| MZK | Virginia | Anthem BCBS of Virginia | Medicaid, POS, Traditional Indemnity |
| MZL | Alabama | BCBS of Alabama | HMO, POS, Medicaid |
| MZM | Minnesota | BCBS of Minnesota | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| MZN | North Carolina | BCBS of North Carolina | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| MZO | Michigan | BCBS of Michigan | Traditional Indemnity, PPO, Medicaid |
| MZP | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), EPO, HMO |
| MZQ | Minnesota | BCBS of Minnesota | POS, Medicare Advantage, Traditional Indemnity |
| MZR | Minnesota | BCBS of Minnesota | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| MZS | North Carolina | BCBS of North Carolina | EPO, HMO, Traditional Indemnity |
| MZT | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), Medicaid, POS |
| MZU | South Carolina | BCBS of South Carolina | Medicare Advantage, PPO, EPO |
| MZV | Michigan | BCBS of Michigan | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| MZW | Minnesota | BCBS of Minnesota | POS, Medicaid, EPO |
| MZX | Minnesota | BCBS of Minnesota | PPO, Medicare Advantage, Traditional Indemnity |
| MZY | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), HMO, POS |
| MZZ | Minnesota | BCBS of Minnesota | EPO, Traditional Indemnity, PPO |
Common BCBS Prefixes in MAA to MZZ Range
Below are the some of most common BCBS Alpha prefix in MAA to MZZ range.
BCBS Prefix MSJ – Alaska
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| MSJ | Alaska | Premera BCBS of Alaska | Medicare Advantage, HMO, POS |
The MSJ BCBS Prefix is used by Premera BCBS of Alaska. It covers Medicare Advantage, HMO, and POS plans, making it critical for Alaskan providers to verify member eligibility. Using BCBS Prefix Lookup tools helps prevent claim rejections and ensures timely reimbursement. The MSJ prefix also appears in many cross-state claim submissions, so double-checking is advised.
MDC BCBS Prefix – Minnesota
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| MDC | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), Medicaid, HMO |
The MDC BCBS Prefix is assigned to BCBS of Minnesota. Providers handling MDC members should confirm plan types, which include HDHP, Medicaid, and HMO. Mistakes in prefix verification can lead to billing delays, making accurate lookup essential. For more related Minnesota prefixes, see our article on LAA to LZZ BCBS Prefixes.
MYY BCBS Prefix – Maryland/DC/Northern Virginia
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| MYY | Maryland/DC/Northern Virginia | Carefirst BCBS | Medicare Advantage, Traditional Indemnity, POS |
MYY BCBS Prefix is issued by Carefirst BCBS and includes Medicare Advantage, Traditional Indemnity, and POS plans. Proper routing ensures that claims are processed efficiently. Billers can use prefix lookup tools to avoid delays and verify member coverage in Maryland and DC regions.
MXH BCBS Prefix – Maryland/DC/Northern Virginia
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| MXH | Maryland/DC/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
MXH BCBS Prefix is another Carefirst identifier supporting HDHP, Medicare Advantage, and Traditional Indemnity plans. Accurate verification of MXH reduces claim rejections and improves reimbursement timelines. Internal references to related articles can help manage multiple prefixes efficiently.
MMJ BCBS Prefix – Michigan
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| MMJ | Michigan | BCBS of Michigan | EPO, Medicare Advantage, High-Deductible He |
MMJ BCBS Prefix belongs to BCBS of Michigan. It includes EPO, Medicare Advantage, and HDHP plans. Always verify the plan type with a lookup tool to prevent claim denials. For additional Michigan prefixes, see our BCBS Prefix List KAA to KZZ article.
MPI BCBS Prefix – California
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| MPI | California | Anthem Blue-Cross | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
The MPI BCBS Prefix is issued by Anthem Blue-Cross in California. Covered plans include PPO, HDHP, and Traditional Indemnity. Correct use of MPI prefix ensures accurate claim submission and faster reimbursements.
MCO BCBS Prefix – Virginia
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| MCO | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, HMO, POS |
MCO BCBS Prefix is used by Anthem BCBS of Virginia, covering Traditional Indemnity, HMO, and POS plans. Providers should verify plan details before claim submission.
MCG BCBS Prefix – Maryland/DC/Northern Virginia
| BCBS Prefix | State | Company Name | Types of Health Plan |
|---|---|---|---|
| MCG | Maryland/DC/Northern Virginia | Carefirst BCBS | POS, EPO, PPO |
MCG BCBS Prefix corresponds to Carefirst BCBS and supports POS, EPO, and PPO plans. Prefix verification ensures smooth claims processing across multiple states.
Why Prefix Accuracy Matters
Claim submissions depend heavily on accurate prefix usage. An incorrect prefix can result in:
- Denied claims due to mismatched payer
- Delayed reimbursements
- Increased administrative workload for corrections
Prefixes like MSJ, MDC, MYY, MXH, MMJ, MPI, MCO, and MCG require careful attention because they span multiple states and plan types. By verifying prefixes, providers can ensure faster approvals and smoother billing operations.
Common Billing Errors With MAA to MZZ Prefixes
Many billing issues arise from improper prefix verification. Common mistakes include:
- Using a wrong state prefix
- Confusing plan types (e.g., HMO vs PPO)
- Not checking multi-state coverage
- Submitting claims without BCBS Prefix Finder verification
For example:
- MSJ BCBS Prefix – Alaska: Often used for Medicare Advantage, HMO, and POS plans. Using an incorrect prefix for Alaskan members can delay claims.
- MDC BCBS Prefix – Minnesota: Includes HDHP, Medicaid, and HMO. Incorrect entries can lead to rejections.
How To Use BCBS Prefix Finder Efficiently
- Enter the prefix in the lookup tool.
- Confirm the state, company, and plan type.
- Verify if the member is Medicare Advantage, PPO, HMO, or HDHP.
- Use related articles for cross-referencing prefix ranges.
FAQs – BCBS Alpha Prefix from MAA to MZZ
Q1: How do I verify a BCBS prefix from MAA to MZZ?
A. Use the BCBS Prefix Finder tool to confirm the state, company, and plan types before submitting claims.
Q2: Which prefixes cover Maryland/DC/Northern Virginia?
A. MYY, MXH, and MCG are the Carefirst BCBS prefixes in this region.
Q3: Can one BCBS prefix have multiple plan types?
A. Yes. Many prefixes include HDHP, HMO, PPO, EPO, POS, Medicare Advantage, and Traditional Indemnity.
Q4: What happens if a claim is submitted with an incorrect prefix?
A. Incorrect prefixes can cause claim rejections, delayed payments, and processing errors. Always verify using a lookup tool.
Q5: Is this BCBS Prefix List regularly updated?
A. Yes. The BCBS Prefix List – Lookup & Verification Guide (2026) is updated to ensure accuracy across all states and plan types.
Q6: How can I reduce claim rejections for these prefixes?
A. Always verify member eligibility, plan type, and prefix routing instructions with a BCBS Prefix Lookup tool before submitting claims.
Q7: Are these prefixes applicable for multi-state claim submissions?
A. Yes. Many prefixes like MSJ or MXH span multiple states, so verifying each member’s coverage is essential.
Conclusion
Understanding and using the BCBS Prefix List MAA to MZZ accurately is critical for medical billing efficiency. Correct prefix verification ensures timely reimbursements, minimizes denials, and streamlines multi-state claim management. However, for professional medical billing and RCM services, check our our services for expert support in claims processing and verification.
