Delete: Z283 Underimmunization status Add: Z28310 Unvaccinated for COVID-19 Add: Z28311 Partially vaccinated for COVID-19 Add: Z2839 Other underimmunization status Codes 72748 codes in icd10cm_order_2022.txt 72750 codes in icd10cm_order_2022.txt 3 additions 1 deletions 0 revisions