Billing and Coding: Zika Virus Testing by PCR and ELISA Methods
National · Effective Nov 6, 2025
1 active Medicare policy lists Z20.821, and 3 commercial payer policies list it. See each policy's status for the code and its official source. Listing a code is not a coverage decision: read each policy’s source for the requirements that apply.
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National · Effective Nov 6, 2025
3 policies from 2 payers
Summary of the payer’s published policy. Not a coverage determination — confirm with the payer before submitting.
| Policy | Effective | Status of Z20.821 |
|---|---|---|
| Polymerase Chain Reaction Testing: Selected Indications | Feb 9, 2024 | Covered |
| Ultrasound for Pregnancy | Jul 11, 2023 | Covered |
| Policy | Effective | Status of Z20.821 |
|---|---|---|
| Maternity Ultrasound in the Outpatient Setting | Jan 6, 2026 | Covered |