A54.43 Gonococcal osteomyelitis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Excludes2 (not included here)

• gonococcal infection of spine (A54.41)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 92 — Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis
• CMS-HCC V22: HCC 39 — Bone/Joint/Muscle Infections/Necrosis
• ESRD V24: HCC 39

MS-DRG index

Defines the logic of DRG(s) 456-458 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 098.59 Other gonococcal infection of joint (approximate)

Code annotations containing back-references to A54.43

Back-references to A54.43

• Type 1 Excludes: M86 Osteomyelitis ("gonococcus (A54.43)")
• Type 1 Excludes: M90 Osteopathies in diseases classified elsewhere ("gonococcal (A54.43)")

Back-references to A54

• Type 2 Excludes: N34 Urethritis and urethral syndrome ("urethritis in diseases with a predominantly sexual mode of transmission (A50-A64)")

Diagnosis Index entries for A54.43

• Gonococcus, gonococcal (disease) (infection) › musculoskeletal › osteomyelitis
• Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic) › gonorrheal

Nearby codes

• A54.39 Other gonococcal eye infection
• A54.4 Gonococcal infection of musculoskeletal system
• A54.40 Gonococcal infection of musculoskeletal system, unspecified
• A54.41 Gonococcal spondylopathy
• A54.42 Gonococcal arthritis
• A54.43 Gonococcal osteomyelitis (this code)
• A54.49 Gonococcal infection of other musculoskeletal tissue
• A54.5 Gonococcal pharyngitis
• A54.6 Gonococcal infection of anus and rectum
• A54.8 Other gonococcal infections
• A54.81 Gonococcal meningitis