A92.30 – West Nile virus infection, unspecified

ICD-10-CM 2027 diagnosis code · Arthropod-borne viral fevers and viral hemorrhagic fevers

Billable code

ICD-10-CM code A92.30

Code: A92.30 (claims format: A9230)
Description: West Nile virus infection, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A90-A99 Arthropod-borne viral fevers and viral hemorrhagic fevers
Parent codes: A92 › A92.3

Notes for A92.30

Applicable to:

West Nile fever NOS
West Nile fever without complications
West Nile virus NOS

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

A92 – Other mosquito-borne viral fevers

Excludes1 (not coded here):

Ross River disease (B33.1)

A92.3 – West Nile virus infection

Applicable to:

West Nile fever

Index terms for A92.30

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A92.3

Frequently asked questions

What is ICD-10 code A92.30?

A92.30 is the ICD-10-CM code for west Nile virus infection, unspecified, in the block A90-A99 (Arthropod-borne viral fevers and viral hemorrhagic fevers).

Is A92.30 a billable code?

Yes. A92.30 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A92.30 belong to?

It belongs to category A92 – Other mosquito-borne viral fevers.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.