MedicaidBilling CodesMedium impact
2019 CMAP's Addendum B - Outpatient Hospitals pdf
Connecticut Medicaid (HUSKY Health)·CT · Oncology, Radiology, Diagnostic Imaging·Provider Bulletin
Effective date
Jan 1, 2019
We identified it
Jun 20, 2026
Summary
Connecticut Medicaid updated their outpatient hospital payment system and procedure codes effective January 1, 2019. Key changes include replacing Kymriah drug code Q2040 with Q2042 (requires prior auth) and updating breast MRI codes from C-codes to standard CPT codes 77046/77047.
Action Required
Immediately: Update billing system to use Q2042 instead of Q2040 for Tisagenlecleucel (Kymriah) and ensure prior authorization is obtained. Replace deleted breast MRI codes C8904 with 77046 and C8907 with 77047. Update encounter forms and billing software rules to reflect these code changes. Verify current CMAP Addendum B and prior authorization grid on ctdssmap.com website.