Z28.311
Billable codePartially vaccinated for COVID-19
The ICD-10 code for partially vaccinated for covid-19 is Z28.311.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z28.310Unvaccinated for COVID-19
- Z28.311Partially vaccinated for COVID-19
Associated MS-DRGs
Z28.311 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.