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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  • M24.259—

    Disorder of ligament, unspecified hip

  • M24.271—

    Disorder of ligament, right ankle

  • M24.272—

    Disorder of ligament, left ankle

  • M24.273—

    Disorder of ligament, unspecified ankle

  • M24.274—

    Disorder of ligament, right foot

  • M24.275—

    Disorder of ligament, left foot

  • M24.276—

    Disorder of ligament, unspecified foot

  • M24.28—

    Disorder of ligament, vertebrae

  • M24.29—

    Disorder of ligament, other specified site

  • M24.30—

    Pathological dislocation of unspecified joint, not elsewhere classified

  • M24.311—

    Pathological dislocation of right shoulder, not elsewhere classified

  • M24.312—

    Pathological dislocation of left shoulder, not elsewhere classified

  • M24.319—

    Pathological dislocation of unspecified shoulder, not elsewhere classified

  • M24.321—

    Pathological dislocation of right elbow, not elsewhere classified

  • M24.322—

    Pathological dislocation of left elbow, not elsewhere classified

  • M24.329—

    Pathological dislocation of unspecified elbow, not elsewhere classified

  • M24.331—

    Pathological dislocation of right wrist, not elsewhere classified

  • M24.332—

    Pathological dislocation of left wrist, not elsewhere classified

  • M24.339—

    Pathological dislocation of unspecified wrist, not elsewhere classified

  • M24.341—

    Pathological dislocation of right hand, not elsewhere classified

  • M24.342—

    Pathological dislocation of left hand, not elsewhere classified

  • M24.349—

    Pathological dislocation of unspecified hand, not elsewhere classified

  • M24.351—

    Pathological dislocation of right hip, not elsewhere classified

  • M24.352—

    Pathological dislocation of left hip, not elsewhere classified

  • M24.359—

    Pathological dislocation of unspecified hip, not elsewhere classified

  • M24.361—

    Pathological dislocation of right knee, not elsewhere classified

  • M24.362—

    Pathological dislocation of left knee, not elsewhere classified

  • M24.369—

    Pathological dislocation of unspecified knee, not elsewhere classified

  • M24.371—

    Pathological dislocation of right ankle, not elsewhere classified

  • M24.372—

    Pathological dislocation of left ankle, not elsewhere classified

  • M24.373—

    Pathological dislocation of unspecified ankle, not elsewhere classified

  • M24.374—

    Pathological dislocation of right foot, not elsewhere classified

  • M24.375—

    Pathological dislocation of left foot, not elsewhere classified

  • M24.376—

    Pathological dislocation of unspecified foot, not elsewhere classified

  • M24.39—

    Pathological dislocation of other specified joint, not elsewhere classified

  • M24.40—

    Recurrent dislocation, unspecified joint

  • M24.411—

    Recurrent dislocation, right shoulder

  • M24.412—

    Recurrent dislocation, left shoulder

  • M24.419—

    Recurrent dislocation, unspecified shoulder

  • M24.421—

    Recurrent dislocation, right elbow

  • M24.422—

    Recurrent dislocation, left elbow

  • M24.429—

    Recurrent dislocation, unspecified elbow

  • M24.431—

    Recurrent dislocation, right wrist

  • M24.432—

    Recurrent dislocation, left wrist

  • M24.439—

    Recurrent dislocation, unspecified wrist

  • M24.441—

    Recurrent dislocation, right hand

  • M24.442—

    Recurrent dislocation, left hand

  • M24.443—

    Recurrent dislocation, unspecified hand

  • M24.444—

    Recurrent dislocation, right finger

  • M24.445—

    Recurrent dislocation, left finger

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