MedicaidBilling CodesMedium impact
COVID-19 vaccine clinical policy update
Washington Apple Health·WA · Family Medicine, Internal Medicine, General Practice +1 more·Medical Policy
Effective date
Aug 31, 2022
We identified it
Jun 20, 2026
Summary
Washington State Apple Health (Medicaid) added four new COVID-19 vaccine billing codes for bivalent Pfizer and Moderna vaccines, effective retroactively from August 31, 2022. The policy includes both vaccine product codes and administration codes with updated fee schedules.
Action Required
Immediately: Billing team must update system to include new COVID-19 vaccine codes 91312, 0124A, 91313, and 0134A for Apple Health (Medicaid) patients. Download revised COVID-19 fee schedule from HCA's Provider billing guides. Submit any unbilled claims for bivalent COVID vaccines from August 31, 2022 forward using these new codes.