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Table 1. 
ICD-9-CM procedure and CPT procedure codes used for identification of the study cohorta
ProcedureCodeCode TypeDescription
Vertebroplasty81.65ICD-9-CM Percutaneous vertebroplasty
22520CPTPercutaneous vertebroplasty, 1 vertebral body, thoracic
22521CPTPercutaneous vertebroplasty, 1 vertebral body, lumbar
22522CPTEach additional vertebral body
Kyphoplasty81.66ICD-9-CMPercutaneous vertebral augmentation
22523CPTPercutaneous vertebral augmentation, thoracic
22524CPTPercutaneous vertebral augmentation, lumbar
22525CPTEach additional vertebral body
  • a CPT is a registered trademark of the American Medical Association.