10ICD Code Hub

Z28.310

Billable code

Unvaccinated for COVID-19

The ICD-10 code for unvaccinated for covid-19 is Z28.310.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

Associated MS-DRGs

Z28.310 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.