Prospective Study of Thoracolumbar Spinal Fusion Graft

Inclusion Criteria: * Must be 18 years old or older * Scheduled for elective posterior spinal fusion of the thoracolumbar spine or lumbar spine with or without anterior interbody support * Failed at least 6 weeks of conservative care * ODI v2.1 score \> 30% * No contraindication to BMAC (as per manufacturer) * Signed consent form Exclusion Criteria: * Spondylolisthesis grade ≥ 3 * Pagets disease, osteomalacia, or any metabolic bone disease * Use of medications that interfere with bone healing (chronic steroids) * Patient unlikely to comply with post-op schedule with physician * Recent history of chemical dependency * Participation in other investigational device trial(s) within past 30 days * Active malignancy * Pregnancy or planning to become pregnant * Direct involvement in execution of this protocol