A92: Other mosquito-borne viral fevers
Codes under A92 (Other mosquito-borne viral fevers). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A92.0 | Chikungunya virus disease | ✓ |
| A92.0 | Chikungunya virus disease | ✓ |
| A92.1 | O'nyong-nyong fever | ✓ |
| A92.1 | O'nyong-nyong fever | ✓ |
| A92.2 | Venezuelan equine fever | ✓ |
| A92.2 | Venezuelan equine fever | ✓ |
| A92.3 | West Nile virus infection | — |
| A92.3 | West Nile virus infection | — |
| A92.4 | Rift Valley fever | ✓ |
| A92.4 | Rift Valley fever | ✓ |
| A92.5 | Zika virus disease | ✓ |
| A92.5 | Zika virus disease | ✓ |
| A92.8 | Other specified mosquito-borne viral fevers | ✓ |
| A92.8 | Other specified mosquito-borne viral fevers | ✓ |
| A92.9 | Mosquito-borne viral fever, unspecified | ✓ |
| A92.9 | Mosquito-borne viral fever, unspecified | ✓ |
| A92.30 | West Nile virus infection, unspecified | ✓ |
| A92.30 | West Nile virus infection, unspecified | ✓ |
| A92.31 | West Nile virus infection with encephalitis | ✓ |
| A92.31 | West Nile virus infection with encephalitis | ✓ |
| A92.32 | West Nile virus infection with other neurologic manifestation | ✓ |
| A92.32 | West Nile virus infection with other neurologic manifestation | ✓ |
| A92.39 | West Nile virus infection with other complications | ✓ |
| A92.39 | West Nile virus infection with other complications | ✓ |
Frequently asked questions
What is ICD-10-CM code A92?
A92 is an ICD-10-CM category covering Other mosquito-borne viral fevers. It contains 24 more specific diagnosis codes, 22 of which are billable.
Is A92 a billable code?
No — A92 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example A92.0 — Chikungunya virus disease). 22 of the 24 codes under A92 are billable.
What codes fall under A92?
A92 includes A92.0, A92.0, A92.1, A92.1, A92.2, plus 19 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free