MedicaidBilling CodesMedium impact
COVID-19 Vaccine and Vaccine Administration Billing Information for Practitioners
Illinois Medicaid - HFS·IL · Family Medicine, Internal Medicine, Pediatrics +1 more·Provider Notice
Effective date
Dec 11, 2020
We identified it
Jun 20, 2026
Summary
Illinois Medicaid establishes billing guidance for COVID-19 vaccine administration with specific procedure codes and reimbursement rates. Providers can bill administration fees separately from encounter rates, with first dose at $16.94 and second dose at $28.39.
Action Required
Immediately: Update billing system to submit COVID-19 vaccine administration codes (0001A, 0002A, 0011A, 0012A) on separate claims from other services. Do not bill vaccine product codes (91300, 91301) as vaccines are government-supplied at no cost. FQHCs, RHCs and ERCs must not submit these codes with T1015 or S5190 encounters to avoid G70 error rejections.