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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  • M91.91—

    Juvenile osteochondrosis of hip and pelvis, unspecified, right leg

  • M91.92—

    Juvenile osteochondrosis of hip and pelvis, unspecified, left leg

  • M92—

    Other juvenile osteochondrosis

  • M92.0—

    Juvenile osteochondrosis of humerus

  • M92.00—

    Juvenile osteochondrosis of humerus, unspecified arm

  • M92.01—

    Juvenile osteochondrosis of humerus, right arm

  • M92.02—

    Juvenile osteochondrosis of humerus, left arm

  • M92.1—

    Juvenile osteochondrosis of radius and ulna

  • M92.10—

    Juvenile osteochondrosis of radius and ulna, unspecified arm

  • M92.11—

    Juvenile osteochondrosis of radius and ulna, right arm

  • M92.12—

    Juvenile osteochondrosis of radius and ulna, left arm

  • M92.2—

    Juvenile osteochondrosis, hand

  • M92.20—

    Unspecified juvenile osteochondrosis, hand

  • M92.201—

    Unspecified juvenile osteochondrosis, right hand

  • M92.202—

    Unspecified juvenile osteochondrosis, left hand

  • M92.209—

    Unspecified juvenile osteochondrosis, unspecified hand

  • M92.21—

    Osteochondrosis (juvenile) of carpal lunate [Kienböck]

  • M92.211—

    Osteochondrosis (juvenile) of carpal lunate [Kienböck], right hand

  • M92.212—

    Osteochondrosis (juvenile) of carpal lunate [Kienböck], left hand

  • M92.219—

    Osteochondrosis (juvenile) of carpal lunate [Kienböck], unspecified hand

  • M92.22—

    Osteochondrosis (juvenile) of metacarpal heads [Mauclaire]

  • M92.221—

    Osteochondrosis (juvenile) of metacarpal heads [Mauclaire], right hand

  • M92.222—

    Osteochondrosis (juvenile) of metacarpal heads [Mauclaire], left hand

  • M92.229—

    Osteochondrosis (juvenile) of metacarpal heads [Mauclaire], unspecified hand

  • M92.29—

    Other juvenile osteochondrosis, hand

  • M92.291—

    Other juvenile osteochondrosis, right hand

  • M92.292—

    Other juvenile osteochondrosis, left hand

  • M92.299—

    Other juvenile osteochondrosis, unspecified hand

  • M92.3—

    Other juvenile osteochondrosis, upper limb

  • M92.30—

    Other juvenile osteochondrosis, unspecified upper limb

  • M92.31—

    Other juvenile osteochondrosis, right upper limb

  • M92.32—

    Other juvenile osteochondrosis, left upper limb

  • M92.4—

    Juvenile osteochondrosis of patella

  • M92.40—

    Juvenile osteochondrosis of patella, unspecified knee

  • M92.41—

    Juvenile osteochondrosis of patella, right knee

  • M92.42—

    Juvenile osteochondrosis of patella, left knee

  • M92.5—

    Juvenile osteochondrosis of tibia and fibula

  • M92.50—

    Unspecified juvenile osteochondrosis of tibia and fibula

  • M92.501—

    Unspecified juvenile osteochondrosis, right leg

  • M92.502—

    Unspecified juvenile osteochondrosis, left leg

  • M92.503—

    Unspecified juvenile osteochondrosis, bilateral leg

  • M92.509—

    Unspecified juvenile osteochondrosis, unspecified leg

  • M92.51—

    Juvenile osteochondrosis of proximal tibia

  • M92.511—

    Juvenile osteochondrosis of proximal tibia, right leg

  • M92.512—

    Juvenile osteochondrosis of proximal tibia, left leg

  • M92.513—

    Juvenile osteochondrosis of proximal tibia, bilateral

  • M92.519—

    Juvenile osteochondrosis of proximal tibia, unspecified leg

  • M92.52—

    Juvenile osteochondrosis of tibia tubercle

  • M92.521—

    Juvenile osteochondrosis of tibia tubercle, right leg

  • M92.522—

    Juvenile osteochondrosis of tibia tubercle, left leg

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