M02

Non-billable

Postinfective and reactive arthropathies

M02 is the ICD-10-CM code for Postinfective and reactive arthropathies. It is a non-billable category code — use a more specific child code such as M02.0 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Subcodes
6
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Excludes1 — not coded here

  • Behçet's disease (M35.2)
  • direct infections of joint in infectious and parasitic diseases classified elsewhere (M01.-)
  • postmeningococcal arthritis (A39.84)
  • mumps arthritis (B26.85)
  • rubella arthritis (B06.82)
  • syphilis arthritis (late) (A52.77)
  • rheumatic fever (I00)
  • tabetic arthropathy [Charcôt's] (A52.16)

Code first

  • underlying disease, such as:
  • congenital syphilis [Clutton's joints] (A50.5)
  • enteritis due to Yersinia enterocolitica (A04.6)
  • infective endocarditis (I33.0)
  • viral hepatitis (B15-B19)

Frequently asked questions

What is ICD-10 code M02?
M02 is the ICD-10-CM code for "Postinfective and reactive arthropathies". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M02 a billable code?
No — M02 is a non-billable header code. Use a more specific child code (such as M02.0) for billing.
What are the subcodes of M02?
M02 has 6 more specific child codes, including M02.0, M02.1, M02.2.
What is excluded from M02?
Excludes1 (not coded here): Behçet's disease (M35.2); direct infections of joint in infectious and parasitic diseases classified elsewhere (M01.-); postmeningococcal arthritis (A39.84); mumps arthritis (B26.85).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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