M43.4
✓ BillableOther recurrent atlantoaxial dislocation
Diseases of the musculoskeletal system and connective tissue (M00-M99)
❌ Excludes1
inherited from M43Rules from parent category M43: Other deforming dorsopathies
- • 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.-)
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CodeM43.4
BillableYes
ParentM43
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes18 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)