M2K BCBS prefix
Listed for Blue Cross Blue Shield of Arizona (AZ) in our data.
Unofficial reference. Prefixes change. Verify with the plan before submitting a claim. Data last updated .
- Plan
- Blue Cross Blue Shield of Arizona
- State or region
- AZ
- Plan type
- Medicare Advantage HMO
- Notes
- AZ Blue Medicare Advantage HMO plan members
- Source
- Introducing new member ID prefix replacements for 2025 (Blue Cross Blue Shield of Arizona provider newsletter, November 2024)https://info.azblue.com/202411-providers-three-new-memberid-prefix-replacementsSource dated .
- Last checked
What to do next
Before you submit a claim, confirm the member's eligibility and plan with the plan itself, for example by calling the phone number on the member's ID card. Prefix assignments can change, so details may differ from what we found on the date we last checked.
Spotted something out of date? Report a correction.
Working a denial on a claim? Look up the denial code.