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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  • M89.241—

    Other disorders of bone development and growth, right hand

  • M89.242—

    Other disorders of bone development and growth, left hand

  • M89.249—

    Other disorders of bone development and growth, unspecified hand

  • M89.251—

    Other disorders of bone development and growth, right femur

  • M89.252—

    Other disorders of bone development and growth, left femur

  • M89.259—

    Other disorders of bone development and growth, unspecified femur

  • M89.261—

    Other disorders of bone development and growth, right tibia

  • M89.262—

    Other disorders of bone development and growth, left tibia

  • M89.263—

    Other disorders of bone development and growth, right fibula

  • M89.264—

    Other disorders of bone development and growth, left fibula

  • M89.269—

    Other disorders of bone development and growth, unspecified lower leg

  • M89.271—

    Other disorders of bone development and growth, right ankle and foot

  • M89.272—

    Other disorders of bone development and growth, left ankle and foot

  • M89.279—

    Other disorders of bone development and growth, unspecified ankle and foot

  • M89.28—

    Other disorders of bone development and growth, other site

  • M89.29—

    Other disorders of bone development and growth, multiple sites

  • M89.30—

    Hypertrophy of bone, unspecified site

  • M89.311—

    Hypertrophy of bone, right shoulder

  • M89.312—

    Hypertrophy of bone, left shoulder

  • M89.319—

    Hypertrophy of bone, unspecified shoulder

  • M89.321—

    Hypertrophy of bone, right humerus

  • M89.322—

    Hypertrophy of bone, left humerus

  • M89.329—

    Hypertrophy of bone, unspecified humerus

  • M89.331—

    Hypertrophy of bone, right ulna

  • M89.332—

    Hypertrophy of bone, left ulna

  • M89.333—

    Hypertrophy of bone, right radius

  • M89.334—

    Hypertrophy of bone, left radius

  • M89.339—

    Hypertrophy of bone, unspecified ulna and radius

  • M89.341—

    Hypertrophy of bone, right hand

  • M89.342—

    Hypertrophy of bone, left hand

  • M89.349—

    Hypertrophy of bone, unspecified hand

  • M89.351—

    Hypertrophy of bone, right femur

  • M89.352—

    Hypertrophy of bone, left femur

  • M89.359—

    Hypertrophy of bone, unspecified femur

  • M89.361—

    Hypertrophy of bone, right tibia

  • M89.362—

    Hypertrophy of bone, left tibia

  • M89.363—

    Hypertrophy of bone, right fibula

  • M89.364—

    Hypertrophy of bone, left fibula

  • M89.369—

    Hypertrophy of bone, unspecified tibia and fibula

  • M89.371—

    Hypertrophy of bone, right ankle and foot

  • M89.372—

    Hypertrophy of bone, left ankle and foot

  • M89.379—

    Hypertrophy of bone, unspecified ankle and foot

  • M89.38—

    Hypertrophy of bone, other site

  • M89.39—

    Hypertrophy of bone, multiple sites

  • M89.40—

    Other hypertrophic osteoarthropathy, unspecified site

  • M89.411—

    Other hypertrophic osteoarthropathy, right shoulder

  • M89.412—

    Other hypertrophic osteoarthropathy, left shoulder

  • M89.419—

    Other hypertrophic osteoarthropathy, unspecified shoulder

  • M89.421—

    Other hypertrophic osteoarthropathy, right upper arm

  • M89.422—

    Other hypertrophic osteoarthropathy, left upper arm

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