MedicaidBilling CodesHigh impact
MMP 23-51: Current Procedural Terminology (CPT) and Healthcare Common Procedure Coding System (HCPCS) Code Updates
Michigan Medicaid - MDHHS·MI·Claims & Billing
Effective date
Jul 1, 2023
We identified it
Jun 20, 2026
Summary
Michigan Medicaid updated CPT and HCPCS codes effective July 1, 2023, adding 43 new codes for various provider types and discontinuing multiple codes on different dates. The changes affect billing for drugs, injections, and certain procedures across multiple specialties.
Action Required
Immediately: Billing team must update billing software to include new J-codes, therapy codes (98975-98981), and oncology codes effective July 1, 2023. Remove all discontinued codes from system including COVID vaccine codes discontinued April 17, 2023, and various other codes discontinued on different dates. Verify provider type eligibility for each new code before billing. Check CHAMPS system for prior authorization requirements marked with asterisk (*) including J0174 and Q5131.