| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Closed fracture thoracic vertebra | Is a | True | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture thoracic vertebra, burst | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture thoracic vertebra, wedge | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture thoracic vertebra, spinous process | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture thoracic vertebra, tricolumnar | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture lumbar vertebra, burst | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture lumbar vertebra, wedge | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture lumbar vertebra, spinous process | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture lumbar vertebra, tricolumnar | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture sacrum (disorder) | Is a | True | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of cervical spine | Is a | True | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed multiple fractures of thoracic spine (disorder) | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of sacrum AND/OR coccyx with cauda equina injury | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of vertebral column with spinal cord injury | Is a | True | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of vertebral column without spinal cord injury | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture pelvis, coccyx | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of thoracic spine with spinal cord lesion | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of lumbar spine with spinal cord lesion | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of coccyx with spinal cord lesion | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture lumbar vertebra | Is a | True | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture pelvis, coccyx | Is a | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed spinal fracture with cauda equina lesion | Is a | True | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of coccyx | Is a | True | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of sacrum AND/OR coccyx with spinal cord injury | Due to | False | Closed fracture of vertebral column | Inferred relationship | Some |  | 
| Closed fracture of sacrum AND/OR coccyx with complete cauda equina lesion | Due to | False | Closed fracture of vertebral column | Inferred relationship | Some | 3 | 
| Closed fracture of sacrum AND/OR coccyx with cauda equina injury | Due to | False | Closed fracture of vertebral column | Inferred relationship | Some | 1 | 
| Closed spinal fracture with cauda equina lesion | Due to | False | Closed fracture of vertebral column | Inferred relationship | Some | 3 |