BCBS Prefix Lookup List

Insurance Plan Identifier List

BCBS prefix List plays a vital role in filing the health care claims properly to the correct BCBS address and also to verify member’s eligibility, health insurance coverage information and to reach the correct BCBS department to check the claim status or disputes of the claim.

BCBS Prefix List Alpha & Alpha Numeric 2025:

AAA to AZZ

BAA to BZZ

CAA to CZZ

DAA  to DZZ

EAA to EZZ

FAA to FZZ

GAA to GZZ

HAA to HZZ

IAA to IZZ

JAA to JZZ

KAA to KZZ

LAA to LZZ

MAA to MZZ

NAA to NZZ

OAA to OZZ

PAA to PZZ

QAA to QZZ

RAA to RZZ

SAA to SZZ

TAA to TZZ

UAA to UZZ

VAA to VZZ

WAA to WZZ

XAA to XZZ

YAA to YZZ

ZAA to ZZZ

Health insurance policy number:

A policy number is a unique identifier given to insured individuals by their insurance company. It helps with identification and billing for healthcare claims.

BCBS Prefix List Lookup:

BCBS prefix list lookup is a three-character prefix followed by the id number except for the following products and programs.

  • BCBS FEP – It’s indicated with letter R followed by the id number.
  • Stand-alone dental products, vision and pharmacy when delivered through an intermediary model.

Include the BCBS Prefix list with the ID number. Make sure it matches what’s on the member ID card when filing claims with the insurance company.

If claims are submitted with an incorrect member ID or BCBS prefix, BCBS will deny the claim. They will say, “Incorrect member ID, please submit with a correct member ID number.”

Sometimes, a provider or billing company may send the claim to the wrong address. They might not check the correct BCBS address first. In that case claim may be denied as “Submit the claim to the correct address / Member ID not found”. Providers or billing companies should use the BCBS prefix from the list above. This helps them find the right address and avoid denial or delays when filing the claim.

BCBS Prefix list can be classified as follows:

BCBS Prefix list -alpha – It’s a three letter alpha prefix followed by id number.

For example: ABC12345678

Here “ABC” is BCBS alpha prefix.

BCBS prefix list – Alpha Numeric – It’s a three letter Alpha numeric prefix followed by id number.

For example: A2A12345678

Here “A2A” is BCBS alpha numeric prefix.

BCBS Prefix list – FEP – BCBS Federal Employee Program is identified by the letter “R” followed by the number.

For example: R12345678

Here Letter “R” indicates BCBS FEP prefix.

Tips to follow, when the claim is related to BCBS prefix list:

  • Do not create one or use the BCBS prefix from another member ID card. By doing it may cause delay in processing or handling the claim.
  • Always use the BCBS prefix on the member’s current ID card followed by the member id number. Please use the above BCBS prefix list lookup table to find the exact BCBS address.

Frequently asked Questions:

Does policy number same as member ID number?

Yes, Policy number same as member ID number and also known as subscriber ID number.