A92.3 ICD-10-CM Code: West Nile virus infection
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
A92.3West Nile virus infection
ICD-10-CM diagnosis code · United States clinical modification
Where A92.3 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99)
- 3
Category A92
Other mosquito-borne viral fevers
- 4
Code A92.3
West Nile virus infection
Codes under A92.3
A92.3 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
- West Nile fever
Code first
No “code first” instruction is listed for A92.3.
Use additional code
No “use additional code” instruction is listed for A92.3.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for A92.3.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A92.3.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code A92.3 mean?
A92.3 is the FY 2027 U.S. ICD-10-CM code for “West Nile virus infection.”
Is A92.3 a billable or specific ICD-10-CM code?
No. A92.3 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is A92.3 located in ICD-10-CM?
A92.3 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99) (A90–A99), under category A92, Other mosquito-borne viral fevers.
What coding notes are listed for A92.3?
Its listed inclusion terms are West Nile fever. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.