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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  • M89.632—

    Osteopathy after poliomyelitis, left forearm

  • M89.639—

    Osteopathy after poliomyelitis, unspecified forearm

  • M89.641—

    Osteopathy after poliomyelitis, right hand

  • M89.642—

    Osteopathy after poliomyelitis, left hand

  • M89.649—

    Osteopathy after poliomyelitis, unspecified hand

  • M89.651—

    Osteopathy after poliomyelitis, right thigh

  • M89.652—

    Osteopathy after poliomyelitis, left thigh

  • M89.659—

    Osteopathy after poliomyelitis, unspecified thigh

  • M89.661—

    Osteopathy after poliomyelitis, right lower leg

  • M89.662—

    Osteopathy after poliomyelitis, left lower leg

  • M89.669—

    Osteopathy after poliomyelitis, unspecified lower leg

  • M89.671—

    Osteopathy after poliomyelitis, right ankle and foot

  • M89.672—

    Osteopathy after poliomyelitis, left ankle and foot

  • M89.679—

    Osteopathy after poliomyelitis, unspecified ankle and foot

  • M89.68—

    Osteopathy after poliomyelitis, other site

  • M89.69—

    Osteopathy after poliomyelitis, multiple sites

  • M89.70—

    Major osseous defect, unspecified site

  • M89.711—

    Major osseous defect, right shoulder region

  • M89.712—

    Major osseous defect, left shoulder region

  • M89.719—

    Major osseous defect, unspecified shoulder region

  • M89.721—

    Major osseous defect, right humerus

  • M89.722—

    Major osseous defect, left humerus

  • M89.729—

    Major osseous defect, unspecified humerus

  • M89.731—

    Major osseous defect, right forearm

  • M89.732—

    Major osseous defect, left forearm

  • M89.739—

    Major osseous defect, unspecified forearm

  • M89.741—

    Major osseous defect, right hand

  • M89.742—

    Major osseous defect, left hand

  • M89.749—

    Major osseous defect, unspecified hand

  • M89.751—

    Major osseous defect, right pelvic region and thigh

  • M89.752—

    Major osseous defect, left pelvic region and thigh

  • M89.759—

    Major osseous defect, unspecified pelvic region and thigh

  • M89.761—

    Major osseous defect, right lower leg

  • M89.762—

    Major osseous defect, left lower leg

  • M89.769—

    Major osseous defect, unspecified lower leg

  • M89.771—

    Major osseous defect, right ankle and foot

  • M89.772—

    Major osseous defect, left ankle and foot

  • M89.779—

    Major osseous defect, unspecified ankle and foot

  • M89.78—

    Major osseous defect, other site

  • M89.79—

    Major osseous defect, multiple sites

  • M89.8X0—

    Other specified disorders of bone, multiple sites

  • M89.8X1—

    Other specified disorders of bone, shoulder

  • M89.8X2—

    Other specified disorders of bone, upper arm

  • M89.8X3—

    Other specified disorders of bone, forearm

  • M89.8X4—

    Other specified disorders of bone, hand

  • M89.8X5—

    Other specified disorders of bone, thigh

  • M89.8X6—

    Other specified disorders of bone, lower leg

  • M89.8X7—

    Other specified disorders of bone, ankle and foot

  • M89.8X8—

    Other specified disorders of bone, other site

  • M89.8X9—

    Other specified disorders of bone, unspecified site

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