Z20.821

Z20.821: Contact with and (suspected) exposure to Zika virus

Billable / specific codeICD-10-CMPOA exempt

Z20.821 is a billable, specific ICD-10-CM code for contact with and (suspected) exposure to zika virus. It is valid for submission on a claim.

Check Z20.821 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above Z20.821

A category’s note binds every code beneath it.

Written on Z20: Contact with and (suspected) exposure to communicable diseases

carrier of infectious disease (Z22.-)
diagnosed current infectious or parasitic disease -see Alphabetic Index

Excludes2 inherited from the categories above Z20.821

Not part of this code, but both may be coded when both are present.

Written on Z20: Contact with and (suspected) exposure to communicable diseases

personal history of infectious and parasitic diseases (Z86.1-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Z20.821 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55326Billing and Coding: Zika Virus Testing by PCR and ELISA Methods

Alphabetic index entries that lead here

Contact›Zika virus
Exposure›Zika virus
Contact›communicable disease›Zika virus
Exposure›communicable disease›Zika virus

Code history

Unchanged in every release from FY2024 to FY2027.