| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Vertebral column transplantation | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Epidural injection of anesthetic substance, therapeutic, lumbar, continuous | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Manipulation of spine using traction | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Other specified manipulation of spine | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Epidural anesthetic NEC | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Surgical manipulation of cervical spine | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Surgical manipulation of thoracic spine (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Surgical manipulation of lumbar spine | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Surgical manipulation of coccyx | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Anterior decompression of fracture of spine | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Incision of bone of vertebra | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Repair of vertebral arch defect in spina bifida | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Repair of meninges of spinal meningocele | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Posterior spinal instrumentation with segmental fixation | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Spinal arthrodesis | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Primary closed reduction spinal fracture and external fixation | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Reinsertion of spinal fixation device | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Repair of spinal meningocele using local flap | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Decompression of fracture of spine | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Open reduction of spinal fracture | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Repair of spinal meningocele using distant flap | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Repair of spinal meningocele using free flap | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Correction of spinal pseudoarthrosis (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Open biopsy of vertebral body of thoracic region | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Open biopsy of vertebral body of cervical region | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Open biopsy of vertebral body of lumbar region | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Insertion of spacer into lumbar interspinous process (procedure) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Vertebroplasty of cervical spine using computed tomography guidance (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Arthrodesis by anterior transoral technique, clivus-C1-C2, with bone graft and excision of odontoid process | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Vertebroplasty using fluoroscopic guidance (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Vertebroplasty of lumbar spine using computed tomography guidance (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Vertebroplasty of sacral spine using computed tomography guidance (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Vertebroplasty of thoracic spine using computed tomography guidance (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by thoracolumbar approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Partial excision of body of lower thoracic vertebra with decompression of spinal cord, nerve roots and cauda equina by thoracolumbar approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Excision of pressure injury of coccygeal region with excision of coccyx and flap reconstruction (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Partial excision of body of thoracic vertebra with decompression of spinal cord and nerve roots by transthoracic approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by lateral extracavitary approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Partial excision of body of thoracic vertebra with decompression of spinal cord, nerve roots and cauda equina by extracavitary approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Vertebral column excision | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Partial excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by retroperitoneal approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Partial excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Total excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Total excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Excision of lamina of sacral vertebra and excision of intradural spinal lesion (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Excision of pressure injury of coccygeal region with excision of coccyx and primary closure using suture (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Total excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by retroperitoneal approach (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Chiropractic adjustment of multiple thoracic spine subluxations | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Chiropractic adjustment of sacral subluxation | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Chiropractic adjustment of single thoracic spine subluxation | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Chiropractic adjustment of multiple lumbar spine subluxations | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Chiropractic adjustment of coccyx subluxation | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Chiropractic adjustment of single lumbar spine subluxation | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Correction of spinal deformity and instrumentation with posterior rods and segmental wiring | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Revision closed reduction of spinal fracture | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Posterior spinal instrumentation | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Revision of insertion of spacer into lumbar interspinous process (procedure) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Revision of posterior interbody fusion of joint of lumbar spine (procedure) | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Fenestration of lamina of vertebra (procedure) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Primary posterior fusion of lumbar spine | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Revision posterolateral fusion lumbar spine | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Internal fixation of spine using plate (procedure) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Microforaminotomy of cervical spine (procedure) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Spinal fusion with reduction of spinal deformity (procedure) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Revision fixation of fracture of vertebra with plate | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Correction of spinal deformity and instrumentation with posterior rod(s) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Refusion of spine | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Revisional fusion of joint of spine | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Arthrodesis by anterior extraoral technique, clivus-C1-C2, with bone graft and excision of odontoid process | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Surgical repair of vertebral column | Is a | False | Operation on vertebra | Inferred relationship | Some |  | 
| Revision anterior excision of body of thoracic vertebra with reconstruction | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Revision anterior excision of body of cervical vertebra with reconstruction | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Revision anterior excision of body of lumbar vertebra with reconstruction | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Insertion of segmental instrumentation to spine for spinal arthrodesis (procedure) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Anterior vertebral body tethering | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Reduction of spondylolisthesis and fusion | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Removal of implant from vertebra (procedure) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Revision of internal fixation of vertebra | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Coccygotomy | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Revision of fusion of joint of spine with internal fixation of bone of spine (procedure) | Is a | True | Operation on vertebra | Inferred relationship | Some |  | 
| Suture of periosteum of vertebra | Is a | True | Operation on vertebra | Inferred relationship | Some |  |