Is A92 a billable ICD-10-CM code?

No. A92 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does A92 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?

A92 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

A92

A92 — Other mosquito-borne viral fevers

Non-billable headerICD-10-CM

A92 is a non-billable header ICD-10-CM code for other mosquito-borne viral fevers. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

Ross River disease (B33.1)

Other codes that can never be billed with A92

These codes carry an Excludes1 note pointing at A92. 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 alone.

A85.2Arthropod-borne viral encephalitis, unspecified
A98Other viral hemorrhagic fevers, not elsewhere classified

Risk adjustment

A92 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

8 child codes. Green means billable.

Questions about A92

Is A92 a billable ICD-10-CM code?: No. A92 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does A92 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?: A92 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.