ICD-10-CM · Chapter 1 · A00–B99
A92.31
West Nile virus infection with encephalitis
Certain infectious and parasitic diseases
Quick facts
- Code
- A92.31
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 1 — Certain infectious and parasitic diseases
- Category
- A92 — Other mosquito-borne viral fevers
- Specificity
- 5 characters
How coders use this code
ICD-10-CM A92.31 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of west nile virus infection with encephalitis. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in A92
- A92Other mosquito-borne viral fevers
- A92.0Chikungunya virus disease
- A92.1O'nyong-nyong fever
- A92.2Venezuelan equine fever
- A92.3West Nile virus infection
- A92.30West Nile virus infection, unspecified
- 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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