| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Open traumatic extradural hemorrhage | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Open injury, accessory nerve | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Traumatic cerebral edema with open intracranial wound | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Open traumatic dislocation of temporomandibular joint (disorder) | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Open wound of scalp | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Brain injury with open intracranial wound | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial hemorrhage following injury with open intracranial wound | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Open cerebral contusion | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Open hindbrain contusion | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| 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 | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Stab wound of eye region | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Stab wound of mouth | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Human bite of head | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Animal bite wound of head | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Bite wound of mouth | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial hemorrhage following injury with open intracranial wound and prolonged loss of consciousness (more than 24 hours) without return to pre-existing level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| 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 | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound AND loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial hemorrhage following injury with open intracranial wound AND loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound AND concussion | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound AND loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound AND concussion | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound AND loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial hemorrhage following injury with open intracranial wound | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial hemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Open traumatic subarachnoid hemorrhage | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Open traumatic subarachnoid hemorrhage | After | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with no loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | After | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | After | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | After | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | After | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Open traumatic extradural hemorrhage | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, unspecified state of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, unspecified state of consciousness | After | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with loss of consciousness of unspecified duration | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with loss of consciousness of unspecified duration | After | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with concussion, unspecified | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound, with concussion, unspecified | After | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound, unspecified state of consciousness | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound, with loss of consciousness of unspecified duration | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound, with concussion, unspecified | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Stab wound of head | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial hemorrhage following injury with open intracranial wound | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Open wound of pharynx | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Extradural hemorrhage following injury with open intracranial wound, with concussion, unspecified | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Dog bite of head | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Dog bite of eye region | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Dog bite of mouth | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial injury co-occurrent and due to open fracture vault of skull | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial hemorrhage co-occurrent and due to open fracture of vault of skull | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound, with no loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subdural hemorrhage following injury with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Subarachnoid hemorrhage following injury with open intracranial wound | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Pellet wound of head | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Multiple open fractures of skull AND/OR face with cerebral laceration AND/OR contusion | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Multiple open fractures of skull AND/OR face without intracranial injury | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial injury with prolonged coma with open wound | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| History of open head injury | Associated finding | True | Open wound of head | Inferred relationship | Existential restriction modifier | 1 | 
| Open bite wound of head | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Multiple open wounds of head | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Traumatic amputation of part of head | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Complex wound of head | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Complex wound of head with retained external material | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Intracranial hemorrhage co-occurrent and due to complex wound of head | Due to | False | Open wound of head | Inferred relationship | Existential restriction modifier | 2 | 
| Complex through and through perforation wound of head | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Complex wound of head with avulsive loss of part of skull and cranial contents | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Sequelae of open wound of head | Due to | True | Open wound of head | Inferred relationship | Existential restriction modifier | 2 | 
| Sequelae of open wound of head | After | True | Open wound of head | Inferred relationship | Existential restriction modifier | 1 | 
| Penetrating wound of orbit proper | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Abrasion of head | Is a | True | Open wound of head | Inferred relationship | Existential restriction modifier |  | 
| Brain injury with open intracranial wound AND loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Existential restriction modifier |  |