Z28.81
Billable codeImmunization not carried out due to patient having had the disease
The ICD-10 code for immunization not carried out due to patient having had the disease is Z28.81.
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
- Z28.82Immunization not carried out because of caregiver refusal
- Z28.83Immunization not carried out due to unavailability of vaccine
- Z28.89Immunization not carried out for other reason
- Z28.81Immunization not carried out due to patient having had the disease
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- V6408
Associated MS-DRGs
Z28.81 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.