Billing Reminder for Illinois Medicaid Providers

December 27, 2023

All Federally Qualified Health Centers, Rural Health Centers and Encounter Rate Clinics billing for Illinois Medicaid members need to ensure the appropriate taxonomy is billed on the claim for the Billing Provider as outlined in the Illinois Association of Medicaid Health Plans Comprehensive Billing Manual. 

Per the Comprehensive Billing Manual on page 112, all FQHCs, RHCs and ERCs need to use the appropriate taxonomy as outlined per the clinic’s specialty enrollment in Illinois Medicaid Program Advanced Cloud Technology. These taxonomy codes are outlined in the table below along with submission guidelines for this code for both paper and electronic submissions.

Paper Claim

HIPAA 5010 837P

HIPAA 5010 837P


Box 33



Appropriate taxonomy for the registered provider specialty type in IMPACT:

• FQHC Providers: 261QF0400X

• ERC Providers: 261QP2300X

• RHC Providers: 261QR1300X


The IAMHP Comprehensive Billing Manual can be found online.  

If you have claim-related questions or need more information related to services provided to Blue Cross and Blue Shield of Illinois members, call the number on the member’s BCBSIL ID card. If you have other questions, email your assigned Provider Network Consultant