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M43Non-billableSave

M43 - Other deforming dorsopathies

ICD-10-CM Chapter 13: Diseases of the musculoskeletal system and connective tissue · M40-M43 Deforming dorsopathies (M40-M43) · Top-level category · FY2027

Coding Guidance

M43 is a non-billable heading. Report one of the 9 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom M43

Mutually exclusive: these conditions are never reported together with this code.

  • congenital spondylolysis and spondylolisthesis (Q76.2)
  • hemivertebra (Q76.3-Q76.4)
  • Klippel-Feil syndrome (Q76.1)
  • lumbarization and sacralization (Q76.4)
  • platyspondylisis (Q76.4)
  • spina bifida occulta (Q76.0)
  • spinal curvature in osteoporosis (M80.-)
  • spinal curvature in Paget's disease of bone [osteitis deformans] (M88.-)
Excludes 2 — Not Included HereFrom Chapter M00-M99

Not part of this code; report both codes when the patient has both conditions.

  • 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)
NotesFrom Chapter M00-M99

Instructional notes from the ICD-10-CM tabular list.

  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

More Specific Codes (9)

M43.0Spondylolysis→M43.1Spondylolisthesis→M43.2Fusion of spine→M43.3Recurrent atlantoaxial dislocation with myelopathy→M43.4Other recurrent atlantoaxial dislocation→M43.5Other recurrent vertebral dislocation→M43.6Torticollis→M43.8Other specified deforming dorsopathies→M43.9Deforming dorsopathy, unspecified→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with M43.