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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  • M41.02—

    Infantile idiopathic scoliosis, cervical region

  • M41.03—

    Infantile idiopathic scoliosis, cervicothoracic region

  • M41.04—

    Infantile idiopathic scoliosis, thoracic region

  • M41.05—

    Infantile idiopathic scoliosis, thoracolumbar region

  • M41.06—

    Infantile idiopathic scoliosis, lumbar region

  • M41.07—

    Infantile idiopathic scoliosis, lumbosacral region

  • M41.08—

    Infantile idiopathic scoliosis, sacral and sacrococcygeal region

  • M41.1—

    Juvenile and adolescent idiopathic scoliosis

  • M41.11—

    Juvenile idiopathic scoliosis

  • M41.112—

    Juvenile idiopathic scoliosis, cervical region

  • M41.113—

    Juvenile idiopathic scoliosis, cervicothoracic region

  • M41.114—

    Juvenile idiopathic scoliosis, thoracic region

  • M41.115—

    Juvenile idiopathic scoliosis, thoracolumbar region

  • M41.116—

    Juvenile idiopathic scoliosis, lumbar region

  • M41.117—

    Juvenile idiopathic scoliosis, lumbosacral region

  • M41.119—

    Juvenile idiopathic scoliosis, site unspecified

  • M41.12—

    Adolescent idiopathic scoliosis

  • M41.122—

    Adolescent idiopathic scoliosis, cervical region

  • M41.123—

    Adolescent idiopathic scoliosis, cervicothoracic region

  • M41.124—

    Adolescent idiopathic scoliosis, thoracic region

  • M41.125—

    Adolescent idiopathic scoliosis, thoracolumbar region

  • M41.126—

    Adolescent idiopathic scoliosis, lumbar region

  • M41.127—

    Adolescent idiopathic scoliosis, lumbosacral region

  • M41.129—

    Adolescent idiopathic scoliosis, site unspecified

  • M41.2—

    Other idiopathic scoliosis

  • M41.20—

    Other idiopathic scoliosis, site unspecified

  • M41.22—

    Other idiopathic scoliosis, cervical region

  • M41.23—

    Other idiopathic scoliosis, cervicothoracic region

  • M41.24—

    Other idiopathic scoliosis, thoracic region

  • M41.25—

    Other idiopathic scoliosis, thoracolumbar region

  • M41.26—

    Other idiopathic scoliosis, lumbar region

  • M41.27—

    Other idiopathic scoliosis, lumbosacral region

  • M41.3—

    Thoracogenic scoliosis

  • M41.30—

    Thoracogenic scoliosis, site unspecified

  • M41.34—

    Thoracogenic scoliosis, thoracic region

  • M41.35—

    Thoracogenic scoliosis, thoracolumbar region

  • M41.4—

    Neuromuscular scoliosis

  • M41.40—

    Neuromuscular scoliosis, site unspecified

  • M41.41—

    Neuromuscular scoliosis, occipito-atlanto-axial region

  • M41.42—

    Neuromuscular scoliosis, cervical region

  • M41.43—

    Neuromuscular scoliosis, cervicothoracic region

  • M41.44—

    Neuromuscular scoliosis, thoracic region

  • M41.45—

    Neuromuscular scoliosis, thoracolumbar region

  • M41.46—

    Neuromuscular scoliosis, lumbar region

  • M41.47—

    Neuromuscular scoliosis, lumbosacral region

  • M41.5—

    Other secondary scoliosis

  • M41.50—

    Other secondary scoliosis, site unspecified

  • M41.52—

    Other secondary scoliosis, cervical region

  • M41.53—

    Other secondary scoliosis, cervicothoracic region

  • M41.54—

    Other secondary scoliosis, thoracic region

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