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ICD-10-CM 2027

ICD-10 code for joint gonococcus

A54.42

Gonococcal arthritis

✓ Billable / specificCC — complication/comorbidity

From the official ICD-10-CM alphabetic index entry “Gonococcus, gonococcal (disease) (infection) › joint”. Page updated September 29, 2026.

About coding joint gonococcus

The ICD-10-CM code for joint gonococcus is A54.42 (Gonococcal arthritis).

Within A54.4 (gonococcal infection of musculoskeletal system), A54.42 is specifically for gonococcal arthritis. Related codes cover unspecified (A54.40), spondylopathy (A54.41), osteomyelitis (A54.43) and infection of other musculoskeletal tissue (A54.49).

The conditions in its Excludes2 note aren't part of A54.42, but may be coded alongside it if the patient has both: gonococcal infection of spine (A54.41).

As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.

Common questions about joint gonococcus ICD-10 codes

What is the ICD-10 code for joint gonococcus?

A54.42 — Gonococcal arthritis.

Is A54.42 billable?

Yes. A54.42 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can A54.42 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict A54.42 as a principal diagnosis.

Is A54.42 a CC or MCC?

A54.42 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.