MedicaidBilling CodesMedium impact
MMP 23-63: Current Procedural Terminology (CPT) and Healthcare Common Procedure Coding System (HCPCS) Code Updates
Michigan Medicaid - MDHHS·MI·Claims & Billing
Effective date
Oct 1, 2023
We identified it
Jun 20, 2026
Summary
Michigan Medicaid has updated CPT and HCPCS code coverage effective October 1, 2023, adding new covered codes for various provider types and discontinuing others. The changes include new drug codes, vaccine codes, and diagnostic codes, with some requiring prior authorization.
Action Required
Immediately: Billing team must update Michigan Medicaid billing system to include newly covered codes effective October 1, 2023. Add prior authorization requirements for codes marked with asterisk (Q2041, Q2042, Q2053, Q0478, Q0479, L5848). Stop billing discontinued codes C9151, J0800, 0066U, 0357U, 0386U, 0397U as of September 30, 2023. Verify provider type eligibility for each new code in CHAMPS system before billing.