ICDcodes.org
FY2027
M00-M99 · Chapter 13

Diseases of the musculoskeletal system and connective tissue

Chapter 13 of the ICD-10-CM Tabular List covers M00-M99 and contains 8,707 codes across 79 categories, of which 6,687 are billable for FY2027.

Excludes2 — not included here

The conditions below are not part of this code, but a patient may have both at the same time. When documentation supports it, this code and the excluded code may both be reported.

  • 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)

Note

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

M00-M02Infectious arthropathies

M04Autoinflammatory syndromes (M04)

M05-M14Inflammatory polyarthropathies

M15-M19Osteoarthritis

M20-M25Other joint disorders

M26-M27Dentofacial anomalies [including malocclusion] and other disorders of jaw

M30-M36Systemic connective tissue disorders

M40-M43Deforming dorsopathies

M45-M49Spondylopathies

M50-M54Other dorsopathies

M60-M63Disorders of muscles

M65-M67Disorders of synovium and tendon

M70-M79Other soft tissue disorders

M80-M85Disorders of bone density and structure

M86-M90Other osteopathies

M91-M94Chondropathies

M95Other disorders of the musculoskeletal system and connective tissue (M95)

M96Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified (M96)

M97Periprosthetic fracture around internal prosthetic joint (M97)

M99Biomechanical lesions, not elsewhere classified (M99)