A39.84 Postmeningococcal arthritis

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

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) 548-550 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 036.82 Meningococcal arthropathy (approximate)

Code annotations containing back-references to A39.84

Back-references to A39.84

• Type 1 Excludes: M01 Direct infections of joint in infectious and parasitic diseases classified elsewhere ("postmeningococcal arthritis (A39.84)")
• Type 1 Excludes: M02 Postinfective and reactive arthropathies ("postmeningococcal arthritis (A39.84)")

Diagnosis Index entries for A39.84

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › postmeningococcal

Nearby codes

• A39.53 Meningococcal pericarditis
• A39.8 Other meningococcal infections
• A39.81 Meningococcal encephalitis
• A39.82 Meningococcal retrobulbar neuritis
• A39.83 Meningococcal arthritis
• A39.84 Postmeningococcal arthritis (this code)
• A39.89 Other meningococcal infections
• A39.9 Meningococcal infection, unspecified