MedicaidBilling CodesMedium impact
COVID-19 vaccine clinical policy update
Washington Apple Health·WA · Family Medicine, Internal Medicine, Pediatrics·Medical Policy
Effective date
Jun 17, 2022
We identified it
Jun 20, 2026
Summary
Washington State Health Care Authority added 10 new COVID-19 vaccine billing codes to the Apple Health (Medicaid) fee schedule, including pediatric dosages (5mcg and 25mcg) and adult dosages (50mcg) for 1st, 2nd, and 3rd doses. The codes became effective on June 17, 2022 and July 13, 2022.
Action Required
Immediately: Billing team must update coding systems to include the new COVID-19 vaccine codes for Apple Health (Medicaid) patients in Washington State. Add codes 0091A-0093A (50mcg doses), 0111A-0113A (25mcg doses), 0041A-0042A (5mcg doses), and vaccine codes 91311, 91304 to fee schedules. Verify system accepts these codes for Washington Medicaid claims to avoid rejections.