ICD-10-CM · Chapter 1 · A00–B99
A92.3
West Nile virus infection
Certain infectious and parasitic diseases
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- A92.3
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 1 — Certain infectious and parasitic diseases
- Category
- A92 — Other mosquito-borne viral fevers
- Specificity
- 4 characters
How coders use this code
ICD-10-CM A92.3 is a category (header) for west nile virus infection. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in A92
- A92Other mosquito-borne viral fevers
- A92.0Chikungunya virus disease
- A92.1O'nyong-nyong fever
- A92.2Venezuelan equine fever
- A92.30West Nile virus infection, unspecified
- A92.31West Nile virus infection with encephalitis
- A92.32West Nile virus infection with other neurologic manifestation
- A92.39West Nile virus infection with other complications
- A92.4Rift Valley fever
- A92.5Zika virus disease
- A92.8Other specified mosquito-borne viral fevers
- A92.9Mosquito-borne viral fever, unspecified
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