| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Intracranial hemorrhage co-occurrent and due to complex wound of head | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 4 | 
| Complex wound of head with avulsive loss of part of skull and cranial contents | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Entire intracranial structure | Is a | True | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Granuloma of intracranial structure caused by fungus | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Spontaneous intracranial hemorrhage | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Cranial cavity structure | Is a | True | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Open skull fracture with intracranial hemorrhage | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Congenital intrauterine infection-like syndrome | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebellar contusion with open intracranial wound AND concussion | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Intracranial and intraspinal abscesses | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Middle meningeal hemorrhage following injury | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Cerebral hemorrhage due to birth injury | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Structure of intracranial ganglion | Is a | True | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Traumatic cerebral edema with open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 4 | 
| Structure of motor root of trigeminal nerve | Is a | False | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Structure of sensory root of trigeminal nerve | Is a | False | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Intracranial hemorrhage due to birth trauma | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial laceration due to birth trauma | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic brain injury with brief loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic subarachnoid hemorrhage with loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 5 | 
| Intracranial hemorrhage following injury with loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Intracranial hemorrhage following injury with brief loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Traumatic intracranial subdural hematoma with brief loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Traumatic brain injury with loss of consciousness one hour or more | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Loss of consciousness co-occurrent and due to closed fracture of vault of skull | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Closed fracture of base of skull with loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic brain injury with loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Loss of consciousness co-occurrent and due to open fracture of vault of skull | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Intracranial hemorrhage co-occurrent and due to complex wound of head | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Brain injury, without skull fracture | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Cortex contusion with open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Cortex contusion with open intracranial wound, with no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Cortex contusion with open intracranial wound AND concussion | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Brain injury with open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Traumatic intracranial extradural hematoma | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 4 | 
| Traumatic extradural hematoma without open intracranial wound | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Brain injury without open intracranial wound AND with loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Contusion of cerebrum with open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Hind brain contusion with open intracranial wound, with no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Brain stem contusion with open intracranial wound AND concussion | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 4 | 
| Contusion of hindbrain with open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Intracranial hemorrhage due to leptospirosis | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Crushing injury of skull and intracranial contents | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Intracranial injury with prolonged coma | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Intracranial injury co-occurrent and due to open skull fracture | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Management of increased intracranial pressure | Procedure site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial hemorrhage following injury with prolonged loss of consciousness AND return to pre-existing conscious level | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Intracranial hemorrhage following injury with prolonged loss of consciousness without return to pre-existing conscious level | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Postoperative intracranial hemorrhage | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Perinatal intracranial laceration | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial hematoma following operative procedure | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Acute mastoiditis with intracranial complication | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 3 | 
| Infectious cyst of intracranial structure | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrovascular accident with intracranial hemorrhage | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Stereotactic biopsy by aspiration of intracranial lesion | Procedure site - Direct | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Stereotactic biopsy by aspiration of intracranial lesion | Procedure site - Direct | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Multiple intracranial injuries | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Structure of extradural space of brain | Is a | True | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Structure of subpial space of brain | Is a | True | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Excision of intracranial cyst | Procedure site - Direct | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial hemorrhage following administration of thrombolytic agent | Finding site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Operations on dural arteriovenous fistula | Procedure site | False | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Other specified operations on dural arteriovenous fistula | Procedure site | False | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Operations on dural arteriovenous fistula NOS | Procedure site | False | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Operations on dural arteriovenous fistula | Procedure site | False | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Operations on dural arteriovenous fistula NOS | Procedure site | False | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Other specified operations on dural arteriovenous fistula | Procedure site | False | Intracranial structure | Inferred relationship | Existential restriction modifier |  | 
| Monitoring of pressure in tissue of brain | Procedure site | True | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Intracranial nontraumatic haemorrhage fetus newborn unspecified | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other intracranial (nontraumatic) haemorrhages of fetus and newborn | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other intracranial injuries | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Intracranial injury, unspecified | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Other cerebral hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Other cerebral hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS without mention of open intracranial wound | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS without mention of open intracranial wound, unspecified state of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS without mention of open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS without mention of open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS without mention of open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial abscess NOS | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Other cerebral hemorrhage following injury without mention of open intracranial wound, with 1-24 hours loss of consciousness (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hind brain laceration with open intracranial wound, with concussion, unspecified | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Other cerebral hemorrhage following injury NOS (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Other cerebral hemorrhage following injury without mention of open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Other cerebral hemorrhage following injury without mention of open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Other cerebral hemorrhage following injury without mention of open intracranial wound, with loss of consciousness of unspecified duration (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS with open intracranial wound, unspecified state of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS with open intracranial wound, with no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS with open intracranial wound, with less than 1 hours loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS with open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Open fracture of base of skull with intracranial injury, with loss of consciousness of unspecified duration | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Intracranial injury NOS with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Other cerebral hemorrhage following injury without mention of open intracranial wound (disorder) | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS without mention of open intracranial wound, with no loss of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Closed fracture of base of skull with intracranial injury, unspecified state of consciousness | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Intracranial injury NOS without mention of open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Intracranial injury NOS without mention of open intracranial wound, with concussion, unspecified | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 1 | 
| Closed fracture of vault of skull with intracranial injury, state of consciousness unspecified | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 | 
| Closed fracture of vault of skull with intracranial injury, with loss of consciousness of unspecified duration | Finding site | False | Intracranial structure | Inferred relationship | Existential restriction modifier | 2 |