ICD-10-CM 2027 diagnosis code

A92Other mosquito-borne viral fevers

Not billable — use a more specific code

A92 is a header code, so it can't be reported by itself. Choose one of the 8 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About A92

A92 is the ICD-10-CM diagnosis code for other mosquito-borne viral fevers. It belongs to block A90-A99 (arthropod-borne viral fevers and viral hemorrhagic fevers) and chapter 1 (certain infectious and parasitic diseases). It is a header code, so it can't be reported by itself; one of its 8 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: A92.0 (disease), A92.1 (fever), A92.2 (fever), A92.3 (infection), A92.4 (fever), A92.5 (disease), A92.8 (fevers) and A92.9 (unspecified).

Don't report A92 together with the conditions in its Excludes1 note: Ross River disease (B33.1).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under A92

Coding notes

Excludes1Not coded here — never report together with this code

Ross River disease (B33.1)

Notes that apply from higher levels

Instructions written at a parent level also apply to A92.

Broader instructions also apply from Chapter 1: Certain infectious and parasitic diseases.

Code history

2016
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2021
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2023
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2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about A92

Is A92 billable?: No. A92 is a header code. Report one of its more specific subcodes instead.