Z20.821Billable
Contact with and (suspected) exposure to Zika virus
- Chapter
- 21. Factors influencing health status and contact with health services
- Category
- Z20
- Effective date
- October 1, 2026
Related codes in category Z20
Z20Contact w and (suspected) exposure to communicable diseasesZ20.0Contact w and exposure to intestinal infectious diseasesZ20.01Cntct w and expsr to intestnl infct dis d/t E coli (E. coli)YesZ20.09Contact w and exposure to oth intestinal infectious diseasesYesZ20.1Contact with and (suspected) exposure to tuberculosisYesZ20.2Contact w and exposure to infect w a sexl mode of transmissYesZ20.3Contact with and (suspected) exposure to rabiesYesZ20.4Contact with and (suspected) exposure to rubellaYesZ20.5Contact with and (suspected) exposure to viral hepatitisYesZ20.6Contact w and (suspected) exposure to human immunodef virusYesZ20.7Cntct w & expsr to pediculosis, acariasis & oth infestationsYesZ20.8Contact w and exposure to oth communicable diseases
Frequently asked questions
What is ICD-10 code Z20.821?
Z20.821 is an ICD-10-CM diagnosis code for Contact with and (suspected) exposure to Zika virus.
Is Z20.821 a billable code?
Yes. Z20.821 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Z20.821 in?
Z20.821 falls under Chapter 21: Factors influencing health status and contact with health services.
When did Z20.821 become effective?
Z20.821 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Z20.821?
Z20.821 belongs to category Z20, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.