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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  • M87.0—

    Idiopathic aseptic necrosis of bone

  • M87.00—

    Idiopathic aseptic necrosis of unspecified bone

  • M87.01—

    Idiopathic aseptic necrosis of shoulder

  • M87.011—

    Idiopathic aseptic necrosis of right shoulder

  • M87.012—

    Idiopathic aseptic necrosis of left shoulder

  • M87.019—

    Idiopathic aseptic necrosis of unspecified shoulder

  • M87.02—

    Idiopathic aseptic necrosis of humerus

  • M87.021—

    Idiopathic aseptic necrosis of right humerus

  • M87.022—

    Idiopathic aseptic necrosis of left humerus

  • M87.029—

    Idiopathic aseptic necrosis of unspecified humerus

  • M87.03—

    Idiopathic aseptic necrosis of radius, ulna and carpus

  • M87.031—

    Idiopathic aseptic necrosis of right radius

  • M87.032—

    Idiopathic aseptic necrosis of left radius

  • M87.033—

    Idiopathic aseptic necrosis of unspecified radius

  • M87.034—

    Idiopathic aseptic necrosis of right ulna

  • M87.035—

    Idiopathic aseptic necrosis of left ulna

  • M87.036—

    Idiopathic aseptic necrosis of unspecified ulna

  • M87.037—

    Idiopathic aseptic necrosis of right carpus

  • M87.038—

    Idiopathic aseptic necrosis of left carpus

  • M87.039—

    Idiopathic aseptic necrosis of unspecified carpus

  • M87.04—

    Idiopathic aseptic necrosis of hand and fingers

  • M87.041—

    Idiopathic aseptic necrosis of right hand

  • M87.042—

    Idiopathic aseptic necrosis of left hand

  • M87.043—

    Idiopathic aseptic necrosis of unspecified hand

  • M87.044—

    Idiopathic aseptic necrosis of right finger(s)

  • M87.045—

    Idiopathic aseptic necrosis of left finger(s)

  • M87.046—

    Idiopathic aseptic necrosis of unspecified finger(s)

  • M87.05—

    Idiopathic aseptic necrosis of pelvis and femur

  • M87.050—

    Idiopathic aseptic necrosis of pelvis

  • M87.051—

    Idiopathic aseptic necrosis of right femur

  • M87.052—

    Idiopathic aseptic necrosis of left femur

  • M87.059—

    Idiopathic aseptic necrosis of unspecified femur

  • M87.06—

    Idiopathic aseptic necrosis of tibia and fibula

  • M87.061—

    Idiopathic aseptic necrosis of right tibia

  • M87.062—

    Idiopathic aseptic necrosis of left tibia

  • M87.063—

    Idiopathic aseptic necrosis of unspecified tibia

  • M87.064—

    Idiopathic aseptic necrosis of right fibula

  • M87.065—

    Idiopathic aseptic necrosis of left fibula

  • M87.066—

    Idiopathic aseptic necrosis of unspecified fibula

  • M87.07—

    Idiopathic aseptic necrosis of ankle, foot and toes

  • M87.071—

    Idiopathic aseptic necrosis of right ankle

  • M87.072—

    Idiopathic aseptic necrosis of left ankle

  • M87.073—

    Idiopathic aseptic necrosis of unspecified ankle

  • M87.074—

    Idiopathic aseptic necrosis of right foot

  • M87.075—

    Idiopathic aseptic necrosis of left foot

  • M87.076—

    Idiopathic aseptic necrosis of unspecified foot

  • M87.077—

    Idiopathic aseptic necrosis of right toe(s)

  • M87.078—

    Idiopathic aseptic necrosis of left toe(s)

  • M87.079—

    Idiopathic aseptic necrosis of unspecified toe(s)

  • M87.08—

    Idiopathic aseptic necrosis of bone, other site

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