All ICD10 Codes
Chapter 13

M00–M99: Diseases of the Musculoskeletal System and Connective Tissue

Diseases of the Musculoskeletal System and Connective Tissue diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)
All CodesBillable Only
Internal Codes
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  • M08.85—

    Other juvenile arthritis, hip

  • M08.851—

    Other juvenile arthritis, right hip

  • M08.852—

    Other juvenile arthritis, left hip

  • M08.859—

    Other juvenile arthritis, unspecified hip

  • M08.86—

    Other juvenile arthritis, knee

  • M08.861—

    Other juvenile arthritis, right knee

  • M08.862—

    Other juvenile arthritis, left knee

  • M08.869—

    Other juvenile arthritis, unspecified knee

  • M08.87—

    Other juvenile arthritis, ankle and foot

  • M08.871—

    Other juvenile arthritis, right ankle and foot

  • M08.872—

    Other juvenile arthritis, left ankle and foot

  • M08.879—

    Other juvenile arthritis, unspecified ankle and foot

  • M08.88—

    Other juvenile arthritis, other specified site

  • M08.89—

    Other juvenile arthritis, multiple sites

  • M08.9—

    Juvenile arthritis, unspecified

  • M08.90—

    Juvenile arthritis, unspecified, unspecified site

  • M08.91—

    Juvenile arthritis, unspecified, shoulder

  • M08.911—

    Juvenile arthritis, unspecified, right shoulder

  • M08.912—

    Juvenile arthritis, unspecified, left shoulder

  • M08.919—

    Juvenile arthritis, unspecified, unspecified shoulder

  • M08.92—

    Juvenile arthritis, unspecified, elbow

  • M08.921—

    Juvenile arthritis, unspecified, right elbow

  • M08.922—

    Juvenile arthritis, unspecified, left elbow

  • M08.929—

    Juvenile arthritis, unspecified, unspecified elbow

  • M08.93—

    Juvenile arthritis, unspecified, wrist

  • M08.931—

    Juvenile arthritis, unspecified, right wrist

  • M08.932—

    Juvenile arthritis, unspecified, left wrist

  • M08.939—

    Juvenile arthritis, unspecified, unspecified wrist

  • M08.94—

    Juvenile arthritis, unspecified, hand

  • M08.941—

    Juvenile arthritis, unspecified, right hand

  • M08.942—

    Juvenile arthritis, unspecified, left hand

  • M08.949—

    Juvenile arthritis, unspecified, unspecified hand

  • M08.95—

    Juvenile arthritis, unspecified, hip

  • M08.951—

    Juvenile arthritis, unspecified, right hip

  • M08.952—

    Juvenile arthritis, unspecified, left hip

  • M08.959—

    Juvenile arthritis, unspecified, unspecified hip

  • M08.96—

    Juvenile arthritis, unspecified, knee

  • M08.961—

    Juvenile arthritis, unspecified, right knee

  • M08.962—

    Juvenile arthritis, unspecified, left knee

  • M08.969—

    Juvenile arthritis, unspecified, unspecified knee

  • M08.97—

    Juvenile arthritis, unspecified, ankle and foot

  • M08.971—

    Juvenile arthritis, unspecified, right ankle and foot

  • M08.972—

    Juvenile arthritis, unspecified, left ankle and foot

  • M08.979—

    Juvenile arthritis, unspecified, unspecified ankle and foot

  • M08.98—

    Juvenile arthritis, unspecified, vertebrae

  • M08.99—

    Juvenile arthritis, unspecified, multiple sites

  • M08.9A—

    Juvenile arthritis, unspecified, other specified site

  • M10—

    Gout

  • M10.0—

    Idiopathic gout

  • M10.00—

    Idiopathic gout, unspecified site

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