Z20.820
Billable codeContact with and (suspected) exposure to varicella
The ICD-10 code for contact with and (suspected) exposure to varicella is Z20.820.
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
- Z20.821Contact with and (suspected) exposure to Zika virus
- Z20.822Contact with and (suspected) exposure to COVID-19
- Z20.828Contact with and (suspected) exposure to other viral communicable diseases
- Z20.820Contact with and (suspected) exposure to varicella
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- V0171
Associated MS-DRGs
Z20.820 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.