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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  • M89.58—

    Osteolysis, other site

  • M89.59—

    Osteolysis, multiple sites

  • M89.6—

    Osteopathy after poliomyelitis

  • M89.60—

    Osteopathy after poliomyelitis, unspecified site

  • M89.61—

    Osteopathy after poliomyelitis, shoulder

  • M89.611—

    Osteopathy after poliomyelitis, right shoulder

  • M89.612—

    Osteopathy after poliomyelitis, left shoulder

  • M89.619—

    Osteopathy after poliomyelitis, unspecified shoulder

  • M89.62—

    Osteopathy after poliomyelitis, upper arm

  • M89.621—

    Osteopathy after poliomyelitis, right upper arm

  • M89.622—

    Osteopathy after poliomyelitis, left upper arm

  • M89.629—

    Osteopathy after poliomyelitis, unspecified upper arm

  • M89.63—

    Osteopathy after poliomyelitis, forearm

  • M89.631—

    Osteopathy after poliomyelitis, right forearm

  • M89.632—

    Osteopathy after poliomyelitis, left forearm

  • M89.639—

    Osteopathy after poliomyelitis, unspecified forearm

  • M89.64—

    Osteopathy after poliomyelitis, hand

  • M89.641—

    Osteopathy after poliomyelitis, right hand

  • M89.642—

    Osteopathy after poliomyelitis, left hand

  • M89.649—

    Osteopathy after poliomyelitis, unspecified hand

  • M89.65—

    Osteopathy after poliomyelitis, thigh

  • M89.651—

    Osteopathy after poliomyelitis, right thigh

  • M89.652—

    Osteopathy after poliomyelitis, left thigh

  • M89.659—

    Osteopathy after poliomyelitis, unspecified thigh

  • M89.66—

    Osteopathy after poliomyelitis, lower leg

  • M89.661—

    Osteopathy after poliomyelitis, right lower leg

  • M89.662—

    Osteopathy after poliomyelitis, left lower leg

  • M89.669—

    Osteopathy after poliomyelitis, unspecified lower leg

  • M89.67—

    Osteopathy after poliomyelitis, ankle and foot

  • 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

  • M89.7—

    Major osseous defect

  • M89.70—

    Major osseous defect, unspecified site

  • M89.71—

    Major osseous defect, shoulder region

  • M89.711—

    Major osseous defect, right shoulder region

  • M89.712—

    Major osseous defect, left shoulder region

  • M89.719—

    Major osseous defect, unspecified shoulder region

  • M89.72—

    Major osseous defect, humerus

  • M89.721—

    Major osseous defect, right humerus

  • M89.722—

    Major osseous defect, left humerus

  • M89.729—

    Major osseous defect, unspecified humerus

  • M89.73—

    Major osseous defect, forearm

  • M89.731—

    Major osseous defect, right forearm

  • M89.732—

    Major osseous defect, left forearm

  • M89.739—

    Major osseous defect, unspecified forearm

  • M89.74—

    Major osseous defect, hand

  • M89.741—

    Major osseous defect, right hand

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