| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Closed traumatic subarachnoid haemorrhage | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Intracranial haemorrhage following injury with open intracranial wound and prolonged loss of consciousness (more than 24 hours) without return to pre-existing level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subdural haemorrhage 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 | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Extradural haemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage from multiple aneurysms | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage from anterior cerebral artery aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage from middle cerebral artery aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage from posterior cerebral artery aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage from anterior communicating artery aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage from posterior communicating artery aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage from basilar artery aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage from posterior inferior cerebellar artery aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage from carotid artery aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Berry aneurysm | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cerebellar pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cerebellar pyogenic abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Intracranial haemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Intracranial haemorrhage 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 | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Traumatic subdural haematoma without open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Traumatic subdural haematoma with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Traumatic extradural haematoma without open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Traumatic extradural haematoma with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Extradural haemorrhage 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 | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Extradural haemorrhage 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 | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Intracranial haemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Intracranial abscess NOS | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Intracranial abscess NOS | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage NOS | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| [X]Subarachnoid haemorrhage from other intracranial arteries | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| [X]Other subarachnoid haemorrhage | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| [X]Subarachnoid haemorrhage from intracranial artery, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Intracranial haemorrhage following injury without open intracranial wound AND with loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Intracranial haemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Epidural intracranial abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Epidural intracranial abscess | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, unspecified state of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with concussion, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebral haemorrhage following injury NOS | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury without mention of open intracranial wound, unspecified state of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury without mention of open intracranial wound, with no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury without mention of open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury without mention of open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury without mention of open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury without mention of open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury without mention of open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury without mention of open intracranial wound, with concussion, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury with open intracranial wound, unspecified state of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury with open intracranial wound, with no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury with open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury with open intracranial wound, with concussion, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury NOS | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| [X]Other intracranial injuries | Finding site | False | Cranial cavity structure | Inferred relationship | Some |  | 
| [X]Intracranial injury, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Some |  | 
| Subarachnoid haemorrhage 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 | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage 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 | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Other cerebral haemorrhage following injury without mention of open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Brain contusion with open intracranial wound, with no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Brain stem laceration with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Cerebellar laceration with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Brain stem laceration with open intracranial wound AND concussion | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar laceration with open intracranial wound AND concussion | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Traumatic cerebral oedema with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 4 | 
| Hind brain laceration with open intracranial wound, with no loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Brain injury with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Hind brain laceration with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Brain injury with open intracranial wound AND concussion | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Cortex laceration with open intracranial wound AND concussion | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar contusion with open intracranial wound AND concussion | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Subdural haemorrhage with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Brain injury with open intracranial wound AND loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Brain stem contusion with open intracranial wound AND loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Brain stem contusion with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Cerebellar contusion with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Contusion of hindbrain with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound AND loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 4 | 
| Cortex contusion with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Contusion of cerebrum with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex contusion with open intracranial wound, with no loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 4 | 
| Intracranial injury with prolonged coma with open wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Traumatic subdural haematoma with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Traumatic extradural haematoma with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex laceration with open intracranial wound, with no loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Brain stem laceration with open intracranial wound AND no loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Hind brain laceration with open intracranial wound and loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Exploratory open craniotomy | Procedure site - Direct | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Exploratory craniotomy, infratentorial | Procedure site - Direct | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Exploratory craniotomy, supratentorial | Procedure site - Direct | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Intracranial structure | Is a | False | Cranial cavity structure | Inferred relationship | Some |  | 
| Region of cranial cavity | Is a | True | Cranial cavity structure | Inferred relationship | Some |  | 
| Intracranial haemorrhage co-occurrent and due to closed skull fracture | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 |