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M02Non-billableSave

M02 - Postinfective and reactive arthropathies

ICD-10-CM Chapter 13: Diseases of the musculoskeletal system and connective tissue · M00-M02 Infectious arthropathies (M00-M02) · Top-level category · FY2027

Coding Guidance

M02 is a non-billable heading. Report one of the 6 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom M02

Mutually exclusive: these conditions are never reported together with this code.

  • 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 FirstFrom M02

Sequence the underlying condition before this code.

  • 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)
NotesFrom M00-M02 Infectious arthropathies (M00-M02)

Instructional notes from the ICD-10-CM tabular list.

  • This block comprises arthropathies due to microbiological agents. Distinction is made between the following types of etiological relationship:
  • a) direct infection of joint, where organisms invade synovial tissue and microbial antigen is present in the joint;
  • b) indirect infection, which may be of two types: a reactive arthropathy, where microbial infection of the body is established but neither organisms nor antigens can be identified in the joint, and a postinfective arthropathy, where microbial antigen is present but recovery of an organism is inconstant and evidence of local multiplication is lacking.
Excludes 2 — Not Included HereFrom Chapter M00-M99

Not part of this code; report both codes when the patient has both conditions.

  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
NotesFrom Chapter M00-M99

Instructional notes from the ICD-10-CM tabular list.

  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

More Specific Codes (6)

M02.0Arthropathy following intestinal bypass→M02.1Postdysenteric arthropathy→M02.2Postimmunization arthropathy→M02.3Reiter's disease→M02.8Other reactive arthropathies→M02.9Reactive arthropathy, unspecified→