| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Computed tomography of head, neck, thorax, abdomen and pelvis with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 5 | 
| Computed tomography of head, thorax, abdomen and pelvis with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography of head, thorax, abdomen and pelvis with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 3 | 
| Computed tomography of head, thorax, abdomen and pelvis with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 4 | 
| Computed tomography of head, thorax and abdomen with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography of head, thorax and abdomen with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 3 | 
| Computed tomography scan - NOS | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier |  | 
| Radiofrequency ablation of lesion of lung using computed tomography guidance (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computerized diagnostic radiology NOS (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier |  | 
| Computed tomography of whole aorta (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography sinogram of upper limb (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography sinogram of abdomen (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 3 | 
| Computed tomography portal venography of thorax and abdomen with contrast | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography portal venography of abdomen and pelvis with contrast | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography portal venography of thorax, abdomen and pelvis with contrast | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography of cochlear implant (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography of inguinal region (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography triple phase study of kidney (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography of colon using intravenous contrast | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous cryotherapy ablation of tumour using computed tomography guidance (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous cryotherapy ablation of tumour of lung using computed tomography guidance (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous cryotherapy ablation of tumour of liver using computed tomography guidance (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous cryotherapy ablation of tumour of kidney using computed tomography guidance (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Forensic computed tomography (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier |  | 
| Computed tomography angiography of pulmonary, abdominal and pelvic arteries (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography angiography of pulmonary, abdominal and pelvic arteries (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography of mandible and maxilla (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Positron emission tomography with computed tomography gallium 68 prostate specific membrane antigen imaging of cranial vertex to mid-thigh (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Single photon emission computed tomography with computed tomography of sentinel lymph node (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography of head, neck, thorax and abdomen with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Single photon emission computed tomography using technetium 99m hydrazinonicotinamide-Tyr3-octreotide with computed tomography (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Positron emission tomography with computed tomography 18F fluorodeoxyglucose imaging of cranial vertex to mid-thigh for cardiac sarcoidosis (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Positron emission tomography with computed tomography 18F fluorodeoxyglucose imaging of cranial vertex to mid-thigh (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography of tube device with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Gated computed tomography for complex congenital heart disease with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Single photon emission computed tomography using ioflupane (123-I) with computed tomography brain dopamine transporter study (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Aspiration of intervertebral disc using computed tomography guidance (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography angiography of pulmonary, abdominal and pelvic arteries (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 3 | 
| Computed tomography of mandible and maxilla (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography perfusion study of liver (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography perfusion study of neck (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography perfusion study of thorax (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography perfusion study of abdomen (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography perfusion study of pelvis (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Neurolytic coeliac plexus block using computed tomography guidance (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Gated computed tomography of heart with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Gated computed tomography for cardiac function with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Gated computed tomography for complex congenital heart disease with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography of head and neck with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography of head and neck with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography of head, neck, thorax and abdomen with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography of head, neck, thorax and abdomen with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 3 | 
| Computed tomography of head, neck, thorax and abdomen with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 4 | 
| Computed tomography angiography of abdominal artery (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography angiography of bypass graft of coronary artery (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography of head, neck, thorax and abdomen (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Cone beam computed tomography of nasal sinus (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Cone beam computed tomography of facial bone (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Cone beam computed tomography of internal auditory meatus (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Cone beam computed tomography of mastoid (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Cone beam computed tomography of mandible (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of fiducial marker into spine using computed tomography guidance (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography of internal auditory meatus with air contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography of cochlea (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of fiducial marker into lung using computed tomography guidance | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Insertion of fiducial marker into pancreas using computed tomography guidance (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography sinogram of abdomen (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography sinogram of upper limb (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography sinogram of lower limb with contrast | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of fiducial marker using computed tomography guidance (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography of head, neck, thorax and abdomen (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography of head, neck, thorax and abdomen (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 3 | 
| Computed tomography of head, neck, thorax and abdomen (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 4 | 
| Computed tomography of facial bones with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Cone beam computed tomography (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier |  | 
| Insertion of fiducial marker into liver using computed tomography guidance (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous microwave ablation of lesion of liver using computed tomography guidance (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous microwave ablation of lesion of lung using computed tomography guidance (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous microwave ablation of lesion of kidney using computed tomography guidance (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography arthrography of lumbar facet joint with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of cervical facet joint with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of thoracic facet joint with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of ankle with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of elbow with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of hip with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of knee with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography of tube device with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier |  | 
| Insertion of fiducial marker into pelvis using computed tomography guidance (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Therapeutic percutaneous aspiration of spinal cyst using computed tomography guidance (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Computed tomography checking of post-endovascular aneurysm repair (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of fiducial marker into chest using computed tomography guidance (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 2 | 
| Cone beam computed tomography of maxilla (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of metacarpophalangeal joint with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of metatarsophalangeal joint with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of midtarsal joint with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of subtalar joint with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of temporomandibular joint with contrast (procedure) | Method | False | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Computed tomography arthrography of wrist with contrast (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Positron emission tomography with computed tomography fluorodeoxyglucose imaging of head and neck (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Positron emission tomography using fluorodeoxyglucose with computed tomography myocardial stress imaging (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 | 
| Single photon emission computed tomography with computed tomography of liver using technetium 99m macroaggregated albumin (procedure) | Method | True | Computed tomography imaging - action | Inferred relationship | Existential restriction modifier | 1 |