CTY BCBS prefix
Listed for Blue Cross and Blue Shield of Illinois (IL) in our data.
Unofficial reference. Prefixes change. Verify with the plan before submitting a claim. Data last updated .
- Plan
- Blue Cross and Blue Shield of Illinois
- State or region
- IL
- Plan type
- Not stated in the source
- Notes
- City of Chicago
- Source
- Networks and Benefit Plans: Blue Choice PPO and PPO Networks - Blue Cross and Blue Shield of Illinoishttps://www.bcbsil.com/docs/provider/il/network/join/network-plans/ppo-networks.pdfSource 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.
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