MCMCB Pro
B97

B97Viral agents as the cause of diseases classified elsewhere

Non-billable headerICD-10-CM

B97 is a non-billable header ICD-10-CM code for viral agents as the cause of diseases classified elsewhere. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with B97

These codes carry an Excludes1 note pointing at B97. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading B97 alone.

  • B34Viral infection of unspecified site

Risk adjustment

B97 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 B97

9 child codes. Green means billable.

Questions about B97

Is B97 a billable ICD-10-CM code?
No. B97 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does B97 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Bacterial and viral infectious agents (B95-B97).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.