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ICD-10 CM Code M43.01

M43.01 Spondylolysis, occipito-atlanto-axial region

Excludes Type 1

congenital spondylolysis (Q76.2)
spondylolisthesis (M43.1)
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.-)