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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  • M87.146—

    Osteonecrosis due to drugs, unspecified finger(s)

  • M87.150—

    Osteonecrosis due to drugs, pelvis

  • M87.151—

    Osteonecrosis due to drugs, right femur

  • M87.152—

    Osteonecrosis due to drugs, left femur

  • M87.159—

    Osteonecrosis due to drugs, unspecified femur

  • M87.161—

    Osteonecrosis due to drugs, right tibia

  • M87.162—

    Osteonecrosis due to drugs, left tibia

  • M87.163—

    Osteonecrosis due to drugs, unspecified tibia

  • M87.164—

    Osteonecrosis due to drugs, right fibula

  • M87.165—

    Osteonecrosis due to drugs, left fibula

  • M87.166—

    Osteonecrosis due to drugs, unspecified fibula

  • M87.171—

    Osteonecrosis due to drugs, right ankle

  • M87.172—

    Osteonecrosis due to drugs, left ankle

  • M87.173—

    Osteonecrosis due to drugs, unspecified ankle

  • M87.174—

    Osteonecrosis due to drugs, right foot

  • M87.175—

    Osteonecrosis due to drugs, left foot

  • M87.176—

    Osteonecrosis due to drugs, unspecified foot

  • M87.177—

    Osteonecrosis due to drugs, right toe(s)

  • M87.178—

    Osteonecrosis due to drugs, left toe(s)

  • M87.179—

    Osteonecrosis due to drugs, unspecified toe(s)

  • M87.180—

    Osteonecrosis due to drugs, jaw

  • M87.188—

    Osteonecrosis due to drugs, other site

  • M87.19—

    Osteonecrosis due to drugs, multiple sites

  • M87.20—

    Osteonecrosis due to previous trauma, unspecified bone

  • M87.211—

    Osteonecrosis due to previous trauma, right shoulder

  • M87.212—

    Osteonecrosis due to previous trauma, left shoulder

  • M87.219—

    Osteonecrosis due to previous trauma, unspecified shoulder

  • M87.221—

    Osteonecrosis due to previous trauma, right humerus

  • M87.222—

    Osteonecrosis due to previous trauma, left humerus

  • M87.229—

    Osteonecrosis due to previous trauma, unspecified humerus

  • M87.231—

    Osteonecrosis due to previous trauma of right radius

  • M87.232—

    Osteonecrosis due to previous trauma of left radius

  • M87.233—

    Osteonecrosis due to previous trauma of unspecified radius

  • M87.234—

    Osteonecrosis due to previous trauma of right ulna

  • M87.235—

    Osteonecrosis due to previous trauma of left ulna

  • M87.236—

    Osteonecrosis due to previous trauma of unspecified ulna

  • M87.237—

    Osteonecrosis due to previous trauma of right carpus

  • M87.238—

    Osteonecrosis due to previous trauma of left carpus

  • M87.239—

    Osteonecrosis due to previous trauma of unspecified carpus

  • M87.241—

    Osteonecrosis due to previous trauma, right hand

  • M87.242—

    Osteonecrosis due to previous trauma, left hand

  • M87.243—

    Osteonecrosis due to previous trauma, unspecified hand

  • M87.244—

    Osteonecrosis due to previous trauma, right finger(s)

  • M87.245—

    Osteonecrosis due to previous trauma, left finger(s)

  • M87.246—

    Osteonecrosis due to previous trauma, unspecified finger(s)

  • M87.250—

    Osteonecrosis due to previous trauma, pelvis

  • M87.251—

    Osteonecrosis due to previous trauma, right femur

  • M87.252—

    Osteonecrosis due to previous trauma, left femur

  • M87.256—

    Osteonecrosis due to previous trauma, unspecified femur

  • M87.261—

    Osteonecrosis due to previous trauma, right tibia

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