MedicaidBilling CodesMedium impact
Revised Home Infusion Therapy and Parenteral Nutrition Program Billing Guide, Effective 11/16/2022
Washington Apple Health·WA · Endocrinology, Internal Medicine, Family Medicine·Billing Guide
Effective date
Nov 16, 2022
We identified it
Jun 20, 2026
Summary
Washington State HCA has revised the Home Infusion Therapy and Parenteral Nutrition Program Billing Guide with three key changes: added new procedure codes for continuous glucose monitoring (CGM), clarified payment and enrollment processes, and removed unit limitations for HCPCS code A9277.
Action Required
Immediately: Billing team must update billing system to remove unit limitations for HCPCS code A9277 for home infusion therapy claims. Review the revised billing guide for new CGM procedure codes and updated payment/enrollment clarifications. Update encounter forms and billing software rules accordingly for Washington Apple Health (Medicaid) patients.