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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  • M24.446—

    Recurrent dislocation, unspecified finger

  • M24.451—

    Recurrent dislocation, right hip

  • M24.452—

    Recurrent dislocation, left hip

  • M24.459—

    Recurrent dislocation, unspecified hip

  • M24.461—

    Recurrent dislocation, right knee

  • M24.462—

    Recurrent dislocation, left knee

  • M24.469—

    Recurrent dislocation, unspecified knee

  • M24.471—

    Recurrent dislocation, right ankle

  • M24.472—

    Recurrent dislocation, left ankle

  • M24.473—

    Recurrent dislocation, unspecified ankle

  • M24.474—

    Recurrent dislocation, right foot

  • M24.475—

    Recurrent dislocation, left foot

  • M24.476—

    Recurrent dislocation, unspecified foot

  • M24.477—

    Recurrent dislocation, right toe(s)

  • M24.478—

    Recurrent dislocation, left toe(s)

  • M24.479—

    Recurrent dislocation, unspecified toe(s)

  • M24.49—

    Recurrent dislocation, other specified joint

  • M24.50—

    Contracture, unspecified joint

  • M24.511—

    Contracture, right shoulder

  • M24.512—

    Contracture, left shoulder

  • M24.519—

    Contracture, unspecified shoulder

  • M24.521—

    Contracture, right elbow

  • M24.522—

    Contracture, left elbow

  • M24.529—

    Contracture, unspecified elbow

  • M24.531—

    Contracture, right wrist

  • M24.532—

    Contracture, left wrist

  • M24.539—

    Contracture, unspecified wrist

  • M24.541—

    Contracture, right hand

  • M24.542—

    Contracture, left hand

  • M24.549—

    Contracture, unspecified hand

  • M24.551—

    Contracture, right hip

  • M24.552—

    Contracture, left hip

  • M24.559—

    Contracture, unspecified hip

  • M24.561—

    Contracture, right knee

  • M24.562—

    Contracture, left knee

  • M24.569—

    Contracture, unspecified knee

  • M24.571—

    Contracture, right ankle

  • M24.572—

    Contracture, left ankle

  • M24.573—

    Contracture, unspecified ankle

  • M24.574—

    Contracture, right foot

  • M24.575—

    Contracture, left foot

  • M24.576—

    Contracture, unspecified foot

  • M24.59—

    Contracture, other specified joint

  • M24.60—

    Ankylosis, unspecified joint

  • M24.611—

    Ankylosis, right shoulder

  • M24.612—

    Ankylosis, left shoulder

  • M24.619—

    Ankylosis, unspecified shoulder

  • M24.621—

    Ankylosis, right elbow

  • M24.622—

    Ankylosis, left elbow

  • M24.629—

    Ankylosis, unspecified elbow

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