| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Stab wound of head | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Stab wound of ear region | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Puncture wound of head | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Pellet wound of head | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Needle stick injury of head | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Nail wound of head | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Penetrating wound of orbit | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Abrasion of head | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Brain injury with open intracranial wound AND loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Intracranial haemorrhage following injury with open intracranial wound AND concussion | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Laceration of head | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Brain injury with open intracranial wound AND no loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Cut of head | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Periocular open wound | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Traumatic extradural haematoma with open intracranial wound | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open wound of palate | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Subdural haemorrhage following open wound of head | Due to | False | Open wound of head | Inferred relationship | Some | 4 | 
| Subdural haemorrhage following open wound of head | Following | False | Open wound of head | Inferred relationship | Some | 1 | 
| Subdural haemorrhage following injury with open intracranial wound, with no loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Some | 5 | 
| Subdural haemorrhage following injury with open intracranial wound, with no loss of consciousness | Following | False | Open wound of head | 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 | Due to | False | Open wound of head | Inferred relationship | Some | 4 | 
| 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 | Following | False | Open wound of head | Inferred relationship | Some | 5 | 
| Subdural haemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Due to | False | Open wound of head | Inferred relationship | Some | 4 | 
| Subdural haemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Following | False | Open wound of head | Inferred relationship | Some | 5 | 
| Subdural haemorrhage following injury with open intracranial wound AND loss of consciousness | Due to | False | Open wound of head | Inferred relationship | Some | 5 | 
| Subdural haemorrhage following injury with open intracranial wound AND loss of consciousness | Following | False | Open wound of head | Inferred relationship | Some | 4 | 
| Subdural haemorrhage 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 | Some | 4 | 
| Subdural haemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Following | False | Open wound of head | Inferred relationship | Some | 5 | 
| Traumatic subdural haematoma with open intracranial wound | Due to | False | Open wound of head | Inferred relationship | Some | 2 | 
| Traumatic subdural haematoma with open intracranial wound | Following | False | Open wound of head | Inferred relationship | Some | 4 | 
| Subdural haemorrhage following injury with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Due to | False | Open wound of head | Inferred relationship | Some | 1 | 
| Subdural haemorrhage following injury with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Following | False | Open wound of head | Inferred relationship | Some | 5 | 
| Open fracture of frontal sinus | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open wound of nasal sinus | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Open wound of jaw | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Intracranial haemorrhage co-occurrent and due to complex wound of head | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Subdural haemorrhage with open intracranial wound | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Subdural haemorrhage following injury with open intracranial wound AND loss of consciousness | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Penetrating injury of oropharynx | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Open fracture of vault of skull with cerebral contusion | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Loss of consciousness co-occurrent and due to open fracture of vault of skull | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Concussion co-occurrent and due to open fracture of vault of skull | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open wound in mouth | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Open wounds involving head with neck | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Complex laceration of tonsil | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Superficial laceration of head | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Laceration of oropharynx | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Laceration of cerebrum | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Insect bite of head | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Cut of scalp | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Human bite of head | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Dog bite of head | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Degloving injury of head | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Superficial laceration of cornea | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Choroidal rupture | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Nonvenomous insect bite of cheek without infection | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Dilaceration of tooth | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open wound of head without complication | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Multiple closed fractures of skull AND/OR face with cerebral laceration AND/OR contusion | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Contusion of brain with open intracranial wound | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Retinal tear | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Rupture of lens | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Laceration of third eyelid | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open division, temporomandibular ligament | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open cerebral contusion | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Cortex laceration without mention of open intracranial wound | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open hindbrain contusion | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Hind brain laceration without mention of open intracranial wound | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Hind brain laceration with open intracranial wound | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Cerebellar laceration and contusion | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Cortex laceration and contusion | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Tentorial laceration | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Falx laceration | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Laceration of eye region | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open fracture of skull | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Open wound of ocular adnexa | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Laceration of brain with open intracranial wound | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Decapitation | Is a | True | Open wound of head | Inferred relationship | Some |  | 
| Complex laceration of circumoral region of face | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Complex laceration of forehead | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Complex laceration of scalp | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Simple laceration of chin | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Complex laceration of chin | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Complex laceration of mandibular vestibule | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Complex laceration of maxillary vestibule | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Simple laceration of mandibular attached gingiva | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Simple laceration of maxillary attached gingiva | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Complex laceration of maxillary attached gingiva | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Complex laceration of soft palate | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Simple laceration of oropharynx | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| 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 | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open subluxation jaw | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Cortex contusion with open intracranial wound, with no loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Cortex contusion with open intracranial wound, with less than 1 hour loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Cortex contusion with open intracranial wound, with 1-24 hours loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Cortex contusion 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 | Some |  | 
| Cortex contusion 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 | Some |  | 
| Hind brain contusion with open intracranial wound, with less than 1 hour loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Hind brain contusion with open intracranial wound, with 1-24 hours loss of consciousness | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Open traumatic subarachnoid haemorrhage | Is a | False | Open wound of head | Inferred relationship | Some |  | 
| Subdural haemorrhage following open wound of head | Is a | True | Open wound of head | Inferred relationship | Some |  |