ICD-10 Z20.821
Billable / SpecificContact with and (suspected) exposure to Zika virus
About ICD-10-CM Z20.821
ICD-10-CM code Z20.821 represents Contact with and (suspected) exposure to Zika virus. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z20). The 2026 edition of ICD-10-CM Z20.821 became effective on October 1, 2025.
Medicare LCD Coverage for Z20.821
Local Coverage Determinations (LCDs) from CMS MACs that list Z20.821 as a covered diagnosis.
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Commercial Payer Coverage
Coverage policies from major commercial payers referencing Z20.821.
1 Medicare
CPT Codes Commonly Billed with Z20.821
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To Z20.821
Other codes in section Z20-Z29 (Persons with potential health hazards related to communicable diseases).
ICD-10 Z20.821, Billing FAQ
Is ICD-10 code Z20.821 billable? +
Yes, Z20.821 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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