Is A92.39 a billable ICD-10-CM code?

Yes. A92.39 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does A92.39 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).

What cannot be coded together with A92.39?

A92.39 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above A92.39 (A92) and apply to it just the same.

A92.39

A92.39 — West Nile virus infection with other complications

Billable / specific codeICD-10-CM

A92.39 is a billable, specific ICD-10-CM code for west nile virus infection with other complications. It is valid for submission on a claim.

Use additional code

Add a secondary code to capture the detail described below.

code to specify the other conditions

Excludes1 inherited from the categories above A92.39

These are not written on A92.39, but they bind it: a note on a category applies to every code beneath it. Billing A92.39 with anything listed here is a denial.

Written on A92 — Other mosquito-borne viral fevers

Ross River disease (B33.1)

Risk adjustment

A92.39 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.

Medicare coverage

A92.39 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A57204Billing and Coding: MRI and CT Scans of the Head and Neck
A59105Billing and Coding: Off-Label Use of Intravenous Immune Globulin (IVIG)

How A92.39 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A92.39.

Virus, viral›West Nile›with›complications NEC
Fever›West›Nile›with›complications NEC

Code history

A92.39 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share A92.3. If A92.39 is not quite right, the correct code is usually one of these.

Questions about A92.39

Is A92.39 a billable ICD-10-CM code?: Yes. A92.39 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A92.39 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).
What cannot be coded together with A92.39?: A92.39 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above A92.39 (A92) and apply to it just the same.