Z28.310
Unvaccinated for COVID-19
- Release
- FY 2027
- Effective
Hierarchy
Where Z28.310 sits in the official hierarchy. Each level is the code it is classified under.
- Z28 Immunization not carried out and underimmunization status
- Z28.3 Underimmunization status
- Z28.31 Parent Underimmunization for COVID-19 status
- Z28.310 This code Unvaccinated for COVID-19
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Includes
vaccination not carried out
Inherited from Z28 — Immunization not carried out and underimmunization status
Use Additional Code
code, if applicable, to identify:
Inherited from Z28.3 — Underimmunization status
Use Additional Code
immunization not carried out because of contraindication ( Z28.0- )
Inherited from Z28.3 — Underimmunization status
Use Additional Code
immunization not carried out because of patient decision for other and unspecified reason ( Z28.2- )
Inherited from Z28.3 — Underimmunization status
Version History
How Z28.310 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentUnvaccinated for COVID-19
-
FY 2026 Effective
UnchangedUnvaccinated for COVID-19
Related Codes
Other codes under Z28.31
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.
Look up another code
Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.