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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  • M24.07—

    Loose body in ankle and toe joints

  • M24.071—

    Loose body in right ankle

  • M24.072—

    Loose body in left ankle

  • M24.073—

    Loose body in unspecified ankle

  • M24.074—

    Loose body in right toe joint(s)

  • M24.075—

    Loose body in left toe joint(s)

  • M24.076—

    Loose body in unspecified toe joint(s)

  • M24.08—

    Loose body, other site

  • M24.1—

    Other articular cartilage disorders

  • M24.10—

    Other articular cartilage disorders, unspecified site

  • M24.11—

    Other articular cartilage disorders, shoulder

  • M24.111—

    Other articular cartilage disorders, right shoulder

  • M24.112—

    Other articular cartilage disorders, left shoulder

  • M24.119—

    Other articular cartilage disorders, unspecified shoulder

  • M24.12—

    Other articular cartilage disorders, elbow

  • M24.121—

    Other articular cartilage disorders, right elbow

  • M24.122—

    Other articular cartilage disorders, left elbow

  • M24.129—

    Other articular cartilage disorders, unspecified elbow

  • M24.13—

    Other articular cartilage disorders, wrist

  • M24.131—

    Other articular cartilage disorders, right wrist

  • M24.132—

    Other articular cartilage disorders, left wrist

  • M24.139—

    Other articular cartilage disorders, unspecified wrist

  • M24.14—

    Other articular cartilage disorders, hand

  • M24.141—

    Other articular cartilage disorders, right hand

  • M24.142—

    Other articular cartilage disorders, left hand

  • M24.149—

    Other articular cartilage disorders, unspecified hand

  • M24.15—

    Other articular cartilage disorders, hip

  • M24.151—

    Other articular cartilage disorders, right hip

  • M24.152—

    Other articular cartilage disorders, left hip

  • M24.159—

    Other articular cartilage disorders, unspecified hip

  • M24.17—

    Other articular cartilage disorders, ankle and foot

  • M24.171—

    Other articular cartilage disorders, right ankle

  • M24.172—

    Other articular cartilage disorders, left ankle

  • M24.173—

    Other articular cartilage disorders, unspecified ankle

  • M24.174—

    Other articular cartilage disorders, right foot

  • M24.175—

    Other articular cartilage disorders, left foot

  • M24.176—

    Other articular cartilage disorders, unspecified foot

  • M24.19—

    Other articular cartilage disorders, other specified site

  • M24.2—

    Disorder of ligament

  • M24.20—

    Disorder of ligament, unspecified site

  • M24.21—

    Disorder of ligament, shoulder

  • M24.211—

    Disorder of ligament, right shoulder

  • M24.212—

    Disorder of ligament, left shoulder

  • M24.219—

    Disorder of ligament, unspecified shoulder

  • M24.22—

    Disorder of ligament, elbow

  • M24.221—

    Disorder of ligament, right elbow

  • M24.222—

    Disorder of ligament, left elbow

  • M24.229—

    Disorder of ligament, unspecified elbow

  • M24.23—

    Disorder of ligament, wrist

  • M24.231—

    Disorder of ligament, right wrist

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