| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Decompression of posterior interosseous nerve in forearm | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Decompression of radial nerve | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Reconstruction of lamina of cervical vertebra with decompression of spinal cord (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Decompression of cranial nerve (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Reconstruction of lamina of cervical vertebra and posterior bony elements with decompression of spinal cord (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Bosworth operation arthroplasty for acromioclavicular separation | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Partial excision of body of thoracic vertebra with decompression of spinal cord, nerve roots and cauda equina by extracavitary approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Decompression of trigeminal nerve root | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Endoscopy of nasal sinus with decompression of inferior orbital wall (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Partial excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Partial excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Anterior decompression of shoulder joint | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Nerve ganglion decompression | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Total excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Total excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Decompression of plantar digital nerve | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Decompression of anterior interosseous nerve in forearm | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Decompression of spinal nerve root | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Decompression of lateral cutaneous femoral nerve of thigh | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Decompression of nerve via subclavian approach | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Decompression of tarsal tunnel | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Decompression of median nerve | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Partial excision of body of lower thoracic vertebra with decompression of spinal cord, nerve roots and cauda equina by thoracolumbar approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Partial excision of body of lower thoracic vertebra with decompression of spinal cord, nerve roots and cauda equina by thoracolumbar approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Excision of bone of suboccipital cranium and lamina of cervical vertebra for decompression of medulla and spinal cord (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 4 | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by thoracolumbar approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by thoracolumbar approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Partial excision of body of thoracic vertebra with decompression of spinal cord and nerve roots by transthoracic approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Partial excision of body of thoracic vertebra with decompression of spinal cord and nerve roots by transthoracic approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by lateral extracavitary approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Partial excision of body of lumbar vertebra with decompression of spinal cord, nerve roots and cauda equina by lateral extracavitary approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Partial excision of body of thoracic vertebra with decompression of spinal cord, nerve roots and cauda equina by extracavitary approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Endoscopy of nasal sinus with decompression of optic nerve (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Total excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Total excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by transperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Partial excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by retroperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Partial excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by retroperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Endoscopy of nasal sinus with decompression of medial orbital wall (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Total excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by retroperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Total excision of body of sacral vertebra with decompression of spinal cord, nerve roots and cauda equina by retroperitoneal approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Reconstruction of lamina of cervical vertebra and posterior bony elements with decompression of spinal cord (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Endoscopy of nasal sinus with decompression of optic nerve (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Endoscopy of nasal sinus with decompression of medial orbital wall (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Reconstruction of lamina of cervical vertebra with decompression of spinal cord (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Endoscopy of nasal sinus with decompression of inferior orbital wall (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Arthroscopic shoulder decompression (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Revisional hemilaminectomy for decompression of lumbar spine | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Primary hemilaminectomy for decompression of lumbar spine | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Arthroscopic shoulder decompression (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Laparotomy and decompression of intestine (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Craniotomy and decompression of brain (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Endoscopic decompression of optic nerve (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Laparotomy and decompression of intestine (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Craniotomy and decompression of brain (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Endoscopic decompression of optic nerve (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Primary decompression of lumbar spinal cord by posterior approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Primary decompression of cervical spinal cord by anterior approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Primary extended posterior decompression of lumbar spine (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Core decompression of head of femur (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Decompression of intervertebral disc prolapse (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Endoscopic decompression of orbit for exophthalmos | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Decompression of internal auditory canal | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Primary decompression of cervical spinal cord by anterior approach (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Primary posterior decompression cervical cord (procedure) | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Primary posterior decompression cervical cord and fusion | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Primary anterior decompression of cervical spinal cord and fusion | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 3 | 
| Primary decompression of lumbar spinal cord by posterior approach (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Primary foraminoplasty of cervical spine using laser (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 4 | 
| Decompression of imperforate anus | Method | False | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Intracranial bony decompression of cranial nerve | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Decompression of temporal section of facial nerve | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Minimally invasive decompression of lumbar spine | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 | 
| Primary foraminotomy of cervical spine | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Revisional anterior decompression operation on cervical spinal cord and fusion | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 2 | 
| Revision of anterior decompression of cervical spinal cord (procedure) | Method | True | Surgical decompression - action (qualifier value) | Inferred relationship | Some | 1 |