MedicaidBilling CodesMedium impact
MMP 23-72: Outpatient Hospital 340B Charges
Michigan Medicaid - MDHHS·MI·Specialty Services
Effective date
Jan 1, 2024
We identified it
Jun 20, 2026
Summary
Starting January 1, 2024, Michigan hospitals can bill normal and customary charges for 340B drugs in outpatient settings instead of actual acquisition costs. Hospitals must use modifier U6, report NDC codes, and submit annual transparency reports by December each year starting in 2024.
Action Required
By January 1, 2024: Hospital billing teams must update systems to allow normal and customary charges for 340B drugs instead of acquisition costs. Ensure all 340B drug claims include modifier U6 and NDC codes with corresponding CPT/HCPCS codes. By December 2024: Submit annual 340B transparency report with hospital name, NPI, TCN, line numbers, service dates, procedure codes, NDC codes, units, charges, reimbursement amounts, and acquisition costs to MDHHSPharmacy340B@michigan.gov.