>>18243974
already been happening for medicare / medicaid for a year
https://www.cms.gov/medicare/covid-19/coding-covid-19-vaccine-shots
New diagnosis codes for COVID-19 immunization status
Posted on March 7, 2022
The Centers for Disease Control and Prevention (CDC) and the Centers for Medicare & Medicaid Services have announced three new diagnosis codes, including two for COVID-19 immunization status. The following codes will be available as of April 1:
ICD-10-CM Description
Z28.310 Unvaccinated for COVID-19
Z28.311 Partially vaccinated for COVID-19
Z28.39 Other under-immunization status
https://www.aafp.org/pubs/fpm/blogs/gettingpaid/entry/covid_immunization_codes.html