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Table 1 Current Procedural Terminology (CPT) and International Classification of Diseases (ICD-9) used to identify cases

From: Utilization trends of pedicle subtraction osteotomies compared to posterior spinal fusion for deformity: a national database analysis between 2008–2011

Pedicle subtraction osteotomy CPT codes
 22206 Osteotomy of spine, posterior or posterolateral approach, three columns, on vertebral segment (eg, pedicle/vertebral body subtraction), thoracic
 22207 Osteotomy of spine, posterior or posterolateral approach, three columns, on vertebral segment (eg, pedicle/vertebral body subtraction), lumbar
 22208 Osteotomy of spine, posterior or posterolateral approach, three columns, on vertebral segment (eg, pedicle/vertebral body subtraction), each additional level
Spine deformity ICD-9 codes
 73710 Kyphosis, acquired
 73730 Scoliosis [and kyphoscoliosis], idiopathic
 73734 Thoracogenic scoliosis
 73739 Other kyphoscoliosis and scoliosis
 73740 Spine curve unspecified
 73741 Kyphosis associated with other conditions
 73742 Lordosis associated with other conditions
 73743 Scoliosis associated with other conditions
 73850 Deformity, acquired, back/spine nec
Fusion for spine deformity CPT codes
 22800 Arthrodesis posterior for spinal deformity with or without cast; up to 6 vertebral segments
 22802 Arthrodesis posterior for spinal deformity with or without cast; 7 to 12 vertebral segments
 22804 Arthrodesis posterior for spinal deformity with or without cast; 13 or more vertebral segments
 22808 Arthrodesis anterior for spinal deformity with or without cast; 2 to 3 vertebral segments
 22810 Arthrodesis anterior for spinal deformity with or without cast; 4 to 7 vertebral segments
 22812 Arthrodesis anterior for spinal deformity with or without cast; 8 or more vertebral segments
 22610 Arthrodesis posterior or posterolateral technique single level; thoracic (with or without lateral transverse technique)
 22612 Arthrodesis posterior or posterolateral technique single level; lumbar (with or without lateral transverse technique)
Posterior Spine Fusion CPT codes
 22610 Arthrodesis posterior or posterolateral technique single level; thoracic (with or without lateral transverse technique)
 22612 Arthrodesis posterior or posterolateral technique single level; lumbar (with or without lateral transverse technique)