A92.3
A92.3 — West Nile virus infection
Non-billable headerICD-10-CM
A92.3 is a non-billable header ICD-10-CM code for west nile virus infection. It cannot be billed on its own: choose one of the more specific child codes below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- West Nile fever
Other codes that can never be billed with A92.3
These codes carry an Excludes1 note pointing at A92.3. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A92.3 alone.
- A85.2Arthropod-borne viral encephalitis, unspecified
Risk adjustment
A92.3 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead A92.3
4 child codes. Green means billable.
Related codes at this level
Codes that share A92. If A92.3 is not quite right, the correct code is usually one of these.
Questions about A92.3
- Is A92.3 a billable ICD-10-CM code?
- No. A92.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does A92.3 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99).