| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Injection of destructive substance into spinal nerve root | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Contusion of spinal nerve root | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 6 | 
| Avulsion of spinal nerve root | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 6 | 
| Avulsion of cervical nerve root | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 4 | 
| Avulsion of cervical nerve root | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Injection of destructive substance into spinal nerve root | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Contusion of spinal nerve root | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Avulsion of spinal nerve root | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Injection of destructive substance into spinal nerve root | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Spinal nerve root finding | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Sciatic nerve root finding | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Femoral nerve root finding | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Injury of dorsal nerve roots | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Injection of destructive substance into spinal nerve root | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Removal of neurostimulator electrode from spinal nerve root | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Cryotherapy to sacral nerve roots | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Radiofrequency controlled thermal destruction of spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of spinal nerve root tumor | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Radiofrequency destruction of nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Extirpation of lesion of spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Biopsy of spinal nerve root lesion | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Compression of spinal nerve root | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Injection of destructive substance into spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Biopsy of spinal nerve root lesion | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Destruction of spinal nerve root or ganglion | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Destruction of spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of neurostimulator electrode onto spinal nerve root | Procedure site - Indirect | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Adjustment of neurostimulator electrode on spinal nerve root | Procedure site - Indirect | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Neurostimulation of spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Local anesthetic block on spinal nerve root | Procedure site - Indirect | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Decompression of spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Bony decompression of spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Connective tissue decompression of spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Cryotherapy to nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Lysis of adhesions of spinal cord and nerve roots | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Anterior spinal rhizotomy | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Incision of spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Lysis of adhesions of spinal nerve roots | Procedure site - Indirect | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Exploration of spinal nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Paravertebral anesthesia | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Posterior spinal rhizotomy | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Radiculectomy | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intraspinal nerve root division | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous sacral nerve evaluation | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Destruction of spinal nerve root NEC | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Injection of therapeutic substance around spinal nerve root | Procedure site - Indirect | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Transection of spinal nerve root | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Spinal nerve root and ganglion operation | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Injury of nerve roots AND/OR spinal plexus of multiple sites | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Radiofrequency destruction of nerve root | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Avulsion of spinal nerve root | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Incision of spinal nerve root | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of neurostimulator electrode onto spinal nerve root | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Connective tissue decompression of spinal nerve root | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Bony decompression of spinal nerve root | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Neurostimulation of spinal nerve root | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Local anesthetic block of spinal nerve root using fluoroscopic guidance | Procedure site - Indirect | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Other specified operation on spinal nerve root | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Operation on spinal nerve root NOS | Procedure site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Anterior spinal rhizotomy | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Lysis of adhesions of spinal nerve roots | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Biopsy of spinal nerve root lesion | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Root irritation of non-organic origin | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intraspinal nerve root division | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Local anesthetic lumbar facet joint nerve block | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Local anesthetic facet joint nerve block | Procedure site - Indirect | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Traction injury of spinal nerve root | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior spinal rhizotomy | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Radiculectomy | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of spinal nerve root tumor | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Injury of spinal nerve root | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Transection of spinal nerve root | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Local anesthetic block on spinal nerve root | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Spinal nerve root operation | Procedure site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Exploration of spinal nerve root | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Partial division of spinal nerve root | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Adjustment of neurostimulator electrode on spinal nerve root | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Local anesthetic thoracic facet joint nerve block | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Local anesthetic block of spinal nerve root using fluoroscopic guidance | Procedure site - Direct | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Radiofrequency destruction of nerve root | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by thoracolumbar approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Partial excision of body of lower thoracic vertebra with decompression of spinal cord, nerve roots and cauda equina by thoracolumbar approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Diabetic truncal radiculopathy | Finding site | False | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Compression of spinal nerve root | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Cryotherapy to nerve root | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Decompression of spinal nerve root | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Partial excision of body of thoracic vertebra with decompression of spinal cord and nerve roots by transthoracic approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Local anesthetic block of spinal nerve root using fluoroscopic guidance | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Local anesthetic block of spinal nerve root using fluoroscopic guidance | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by lateral extracavitary approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Partial excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by retroperitoneal approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Local anesthetic facet joint nerve block | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Total excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by retroperitoneal approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Extirpation of lesion of spinal nerve root | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 2 | 
| Injection of therapeutic substance around spinal nerve root | Procedure site - Indirect | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Contusion of spinal nerve root | Finding site | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 1 | 
| Partial excision of body of thoracic vertebra with decompression of spinal cord, nerve roots and cauda equina by extracavitary approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Total excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Partial excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 | 
| Total excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach | Procedure site - Direct | True | Spinal nerve root structure | Inferred relationship | Existential restriction modifier | 3 |