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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  • M48.41XG—

    Fatigue fracture of vertebra, occipito-atlanto-axial region, subsequent encounter for fracture with delayed healing

  • M48.41XS—

    Fatigue fracture of vertebra, occipito-atlanto-axial region, sequela of fracture

  • M48.42—

    Fatigue fracture of vertebra, cervical region

  • M48.42XA—

    Fatigue fracture of vertebra, cervical region, initial encounter for fracture

  • M48.42XD—

    Fatigue fracture of vertebra, cervical region, subsequent encounter for fracture with routine healing

  • M48.42XG—

    Fatigue fracture of vertebra, cervical region, subsequent encounter for fracture with delayed healing

  • M48.42XS—

    Fatigue fracture of vertebra, cervical region, sequela of fracture

  • M48.43—

    Fatigue fracture of vertebra, cervicothoracic region

  • M48.43XA—

    Fatigue fracture of vertebra, cervicothoracic region, initial encounter for fracture

  • M48.43XD—

    Fatigue fracture of vertebra, cervicothoracic region, subsequent encounter for fracture with routine healing

  • M48.43XG—

    Fatigue fracture of vertebra, cervicothoracic region, subsequent encounter for fracture with delayed healing

  • M48.43XS—

    Fatigue fracture of vertebra, cervicothoracic region, sequela of fracture

  • M48.44—

    Fatigue fracture of vertebra, thoracic region

  • M48.44XA—

    Fatigue fracture of vertebra, thoracic region, initial encounter for fracture

  • M48.44XD—

    Fatigue fracture of vertebra, thoracic region, subsequent encounter for fracture with routine healing

  • M48.44XG—

    Fatigue fracture of vertebra, thoracic region, subsequent encounter for fracture with delayed healing

  • M48.44XS—

    Fatigue fracture of vertebra, thoracic region, sequela of fracture

  • M48.45—

    Fatigue fracture of vertebra, thoracolumbar region

  • M48.45XA—

    Fatigue fracture of vertebra, thoracolumbar region, initial encounter for fracture

  • M48.45XD—

    Fatigue fracture of vertebra, thoracolumbar region, subsequent encounter for fracture with routine healing

  • M48.45XG—

    Fatigue fracture of vertebra, thoracolumbar region, subsequent encounter for fracture with delayed healing

  • M48.45XS—

    Fatigue fracture of vertebra, thoracolumbar region, sequela of fracture

  • M48.46—

    Fatigue fracture of vertebra, lumbar region

  • M48.46XA—

    Fatigue fracture of vertebra, lumbar region, initial encounter for fracture

  • M48.46XD—

    Fatigue fracture of vertebra, lumbar region, subsequent encounter for fracture with routine healing

  • M48.46XG—

    Fatigue fracture of vertebra, lumbar region, subsequent encounter for fracture with delayed healing

  • M48.46XS—

    Fatigue fracture of vertebra, lumbar region, sequela of fracture

  • M48.47—

    Fatigue fracture of vertebra, lumbosacral region

  • M48.47XA—

    Fatigue fracture of vertebra, lumbosacral region, initial encounter for fracture

  • M48.47XD—

    Fatigue fracture of vertebra, lumbosacral region, subsequent encounter for fracture with routine healing

  • M48.47XG—

    Fatigue fracture of vertebra, lumbosacral region, subsequent encounter for fracture with delayed healing

  • M48.47XS—

    Fatigue fracture of vertebra, lumbosacral region, sequela of fracture

  • M48.48—

    Fatigue fracture of vertebra, sacral and sacrococcygeal region

  • M48.48XA—

    Fatigue fracture of vertebra, sacral and sacrococcygeal region, initial encounter for fracture

  • M48.48XD—

    Fatigue fracture of vertebra, sacral and sacrococcygeal region, subsequent encounter for fracture with routine healing

  • M48.48XG—

    Fatigue fracture of vertebra, sacral and sacrococcygeal region, subsequent encounter for fracture with delayed healing

  • M48.48XS—

    Fatigue fracture of vertebra, sacral and sacrococcygeal region, sequela of fracture

  • M48.5—

    Collapsed vertebra, not elsewhere classified

  • M48.50—

    Collapsed vertebra, not elsewhere classified, site unspecified

  • M48.50XA—

    Collapsed vertebra, not elsewhere classified, site unspecified, initial encounter for fracture

  • M48.50XD—

    Collapsed vertebra, not elsewhere classified, site unspecified, subsequent encounter for fracture with routine healing

  • M48.50XG—

    Collapsed vertebra, not elsewhere classified, site unspecified, subsequent encounter for fracture with delayed healing

  • M48.50XS—

    Collapsed vertebra, not elsewhere classified, site unspecified, sequela of fracture

  • M48.51—

    Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region

  • M48.51XA—

    Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, initial encounter for fracture

  • M48.51XD—

    Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, subsequent encounter for fracture with routine healing

  • M48.51XG—

    Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, subsequent encounter for fracture with delayed healing

  • M48.51XS—

    Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, sequela of fracture

  • M48.52—

    Collapsed vertebra, not elsewhere classified, cervical region

  • M48.52XA—

    Collapsed vertebra, not elsewhere classified, cervical region, initial encounter for fracture

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