ICD-10-CM › Z00-Z99 › Z20-Z29 › Z28.31 Underimmunization for COVID-19 status › Z28.311
Z28.311
Partially vaccinated for COVID-19
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2022 to now.
- April 2022 Added to the code set Partially vaccinated for COVID-19
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from Z28 Immunization not carried out and underimmunization status
Code also
- , if applicable, encounter for immunization safety counseling (Z71.85)
Includes
- vaccination not carried out
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- SARS-CoV-2
- Inoculation
- Unimmunized
- Immunization
- Long > COVID
- Unvaccinated
- Coronavirus > 2019
- Need > vaccination
- Postsurgery status
- Need > immunization
- Vaccination > partial
- Coronavirus > COVID-19
- Immunization > partial
- Vaccination > not done
- Immunization > not done
- Coronavirus > coronavirus-19
- Infection, infected, infective > COVID-19
- Infection, infected, infective > SARS-CoV-2
- Coagulation, intravascular > COVID-19 associated
- Syndrome > severe acute respiratory > coronavirus 2
- COVID-19 > partially vaccinated
- Vaccination > partial > for COVID-19
- Immunization > partial > for COVID-19
- Underimmunization status > COVID-19 > partially vaccinated
- Status > underimmunization > COVID-19 > partially vaccinated
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Z28.310 | Unvaccinated for COVID-19 | Valid |