MCMCB Pro
A54.4

A54.4Gonococcal infection of musculoskeletal system

Non-billable headerICD-10-CM

A54.4 is a non-billable header ICD-10-CM code for gonococcal infection of musculoskeletal system. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with A54.4

These codes carry an Excludes1 note pointing at A54.4. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A54.4 alone.

  • M01Direct infections of joint in infectious and parasitic diseases classified elsewhere
  • M49Spondylopathies in diseases classified elsewhere
  • M86Osteomyelitis
  • M90Osteopathies in diseases classified elsewhere

Risk adjustment

A54.4 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 A54.4

5 child codes. Green means billable.

Related codes at this level

Codes that share A54. If A54.4 is not quite right, the correct code is usually one of these.

Questions about A54.4

Is A54.4 a billable ICD-10-CM code?
No. A54.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does A54.4 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Infections with a predominantly sexual mode of transmission (A50-A64).
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.