| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Excision of lesion of cerebral cortex | Procedure site - Indirect (attribute) | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial aneurysmectomy with anastomosis | Procedure site - Indirect (attribute) | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Excision of lesion of pineal gland | Procedure site - Indirect (attribute) | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Intracranial aneurysmectomy | Procedure site - Indirect (attribute) | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Drainage of cerebral subdural space by aspiration | Procedure site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Drainage of cerebral subarachnoid space by aspiration | Procedure site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Subdural tap through fontanel, infant, initial | Procedure site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Intracranial aneurysmectomy with graft replacement | Procedure site - Indirect (attribute) | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Subdural tap through fontanel | Procedure site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Excision of lesion of intracranial artery | Procedure site - Indirect (attribute) | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Excision of intracranial lesion | Procedure site - Indirect (attribute) | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Otogenic intracranial abscess | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Open fracture of base of skull with intracranial injury, with no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Open fracture of base of skull with intracranial injury, with less than 1 hour loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Open fracture of base of skull with intracranial injury, with 1-24 hours loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Open fracture of base of skull with intracranial injury, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Open fracture of base of skull with intracranial injury, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Open fracture of base of skull with intracranial injury, unspecified state of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Open fracture of base of skull with intracranial injury, with loss of consciousness of unspecified duration | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Open fracture of base of skull with intracranial injury, with concussion, unspecified | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Introduction of intracranial pressure measuring device | Procedure site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Introduction of intracranial pressure measuring device | Procedure site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Introduction of intracranial pressure transducer | Procedure site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Introduction of intracranial pressure transducer | Procedure site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Introduction of intracranial pressure catheter | Procedure site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Introduction of intracranial pressure catheter | Procedure site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Excision of cranial tumour | Procedure site - Direct (attribute) | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Closed fracture of vault of skull with intracranial hemorrhage | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Open fracture of vault of skull with intracranial hemorrhage | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Closed fracture of base of skull with intracranial injury | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Intracranial hemorrhage following injury without open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial hemorrhage following injury with open intracranial wound and prolonged loss of consciousness (more than 24 hours) without return to pre-existing level | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial hemorrhage following injury with open intracranial wound and prolonged loss of consciousness (more than 24 hours) without return to pre-existing level | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Subarachnoid hemorrhage following injury without open intracranial wound AND with moderate loss of consciousness (1-24 hours) | Finding site | False | Intracranial structure | Inferred relationship | Some | 5 | 
| Subdural hemorrhage following injury with open intracranial wound and prolonged loss of consciousness (more than 24 hours) and without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Subdural hemorrhage following injury with open intracranial wound and prolonged loss of consciousness (more than 24 hours) and without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 4 | 
| Extradural hemorrhage following injury without open intracranial wound AND with no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Extradural hemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Extradural hemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| hémorragie cérébrale chez le fœtus ou le nouveau-né | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Traumatic intracranial subdural hematoma (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Subarachnoid hemorrhage due to traumatic injury | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Excision of cranial cyst | Procedure site - Direct (attribute) | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Traumatic cerebral edema with open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Intracranial hemorrhage following injury with loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial hemorrhage following injury with brief loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial hemorrhage following injury with moderate loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial hemorrhage following injury with prolonged loss of consciousness AND return to pre-existing conscious level | Finding site | True | Intracranial structure | Inferred relationship | Some | 2 | 
| Intracranial hemorrhage following injury with prolonged loss of consciousness without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Brain injury with open intracranial wound AND no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Intracranial hemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial hemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Brain injury with open intracranial wound AND loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Intracranial hemorrhage | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial hemorrhage following injury without open intracranial wound AND with prolonged loss of consciousness (more than 24 hours) without return to pre-existing level | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Cerebellar laceration with open intracranial wound AND no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Subdural hemorrhage following injury with open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Subdural hemorrhage following injury with open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Some | 4 | 
| Brain stem contusion with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Extradural hemorrhage following injury without open intracranial wound AND with prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial hemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Intracranial hemorrhage following injury without open intracranial wound AND with loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Intracranial hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Brain stem laceration with open intracranial wound AND no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Cerebellar contusion with open intracranial wound AND loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Subarachnoid hemorrhage following injury without open intracranial wound AND with prolonged loss of consciousness (more than 24 hours) AND without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 4 | 
| Cerebellar contusion with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Brain stem contusion with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Cerebellar contusion with open intracranial wound AND no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Cortex contusion with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Subdural hemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Brain injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Subarachnoid hemorrhage following injury without open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Extradural hemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Extradural hemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Brain injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Brain injury with open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Subdural hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Intracranial structure | Inferred relationship | Some | 4 | 
| Subdural hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Middle meningeal hemorrhage following injury | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Brain stem laceration with open intracranial wound AND loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Subdural hemorrhage following injury without open intracranial wound AND with loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 4 | 
| Subarachnoid hemorrhage following injury without open intracranial wound AND with no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Intracranial hemorrhage following injury without open intracranial wound AND with no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Intracranial haematoma following injury | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Intracranial haematoma following injury | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Cerebral hemorrhage due to intrapartum anoxia or hypoxia (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Subdural hemorrhage following injury without open intracranial wound AND with no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Extradural hemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Brain stem laceration with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Brain stem laceration with open intracranial wound AND concussion | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound AND loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Cerebromeningeal hemorrhage | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Brain stem contusion with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 1 | 
| Cortex contusion with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Extradural hemorrhage following injury without open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Some | 2 | 
| Subdural hemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Subdural hemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Intracranial structure | Inferred relationship | Some | 4 | 
| Subarachnoid hemorrhage following injury without open intracranial wound AND with concussion | Finding site | False | Intracranial structure | Inferred relationship | Some | 3 | 
| Stereotactic excisional biopsy of intracranial lesion using computed tomography guidance (procedure) | Procedure site - Direct (attribute) | True | Intracranial structure | Inferred relationship | Some | 1 |