M43
Header — not billableOther deforming dorsopathies
The ICD-10 code for other deforming dorsopathies is M43.
M43 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 9 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- 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.-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under M43
- M43.0Spondylolysisnon-billable header
- M43.1Spondylolisthesisnon-billable header
- M43.2Fusion of spinenon-billable header
- M43.3Recurrent atlantoaxial dislocation with myelopathy
- M43.4Other recurrent atlantoaxial dislocation
- M43.5Other recurrent vertebral dislocationnon-billable header
- M43.6Torticollis
- M43.8Other specified deforming dorsopathiesnon-billable header
- M43.9Deforming dorsopathy, unspecified
Related codes in this category
- M40Kyphosis and lordosisnon-billable header
- M41Scoliosisnon-billable header
- M42Spinal osteochondrosisnon-billable header
- M43Other deforming dorsopathiesnon-billable header