| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without open intracranial wound | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 4 | 
| Subarachnoid haemorrhage following injury without open intracranial wound | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Structure of subarachnoid cistern | Is a | True | Subarachnoid space structure | Inferred relationship | Some |  | 
| Local anaesthetic cervical intrathecal block | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Local anaesthetic thoracic intrathecal block | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Revision of lumbosubarachnoid shunt | Procedure site - Direct | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Semicircular-subarachnoid shunt | Procedure site - Direct | True | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Endolymphatic-subarachnoid shunt | Procedure site - Direct | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Fistulisation of cerebral subarachnoid space | Procedure site - Direct | False | Subarachnoid space structure | Inferred relationship | Some |  | 
| Cytotoxic subarachnoid injection | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Closed traumatic subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Closed traumatic subarachnoid haemorrhage | Finding site | False | Subarachnoid space 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 | Subarachnoid space structure | Inferred relationship | Some | 4 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with moderate loss of consciousness (1-24 hours) | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, unspecified state of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, unspecified state of consciousness | Finding site | False | Subarachnoid space 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 | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with concussion, unspecified | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with concussion, unspecified | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with no loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with no loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid 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 | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid 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 | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid 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 | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid 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 | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with no loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with no loss of consciousness | Finding site | False | Subarachnoid space 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 | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| 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 | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with brief loss of consciousness (less than one hour) | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with concussion | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without open intracranial wound AND with concussion | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury without open intracranial wound | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without open intracranial wound | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Revision of lumbosubarachnoid shunt | Procedure site - Direct | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, unspecified state of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury with open intracranial wound, with no loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Open traumatic subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid 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 | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid 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 | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Closed traumatic subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Traumatic subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Cytotoxic subarachnoid injection | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage NOS | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Angiogram-negative subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury with open intracranial wound | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Spinal anaesthesia | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Traumatic spinal subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with no loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with concussion, unspecified | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury without mention of open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Spinal anaesthesia | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Insertion of implantable intrathecal pump | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Insertion of implantable intrathecal pump | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Injection of neurolytic substance, subarachnoid | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| CSF pressure recording | Procedure site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury with open intracranial wound, unspecified state of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 4 | 
| Subarachnoid haemorrhage following injury with open intracranial wound, with no loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 6 | 
| Subarachnoid haemorrhage following injury with open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 6 | 
| Subarachnoid haemorrhage following injury with open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 6 | 
| Subarachnoid 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 | Subarachnoid space structure | Inferred relationship | Some | 6 | 
| Subarachnoid 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 | Subarachnoid space structure | Inferred relationship | Some | 6 | 
| Subarachnoid haemorrhage following injury with open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 4 | 
| Subarachnoid haemorrhage following injury with open intracranial wound, with concussion, unspecified | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 4 | 
| Haemorrhage into subarachnoid space of neuraxis | Finding site | True | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Traumatic haemorrhage into subarachnoid space of neuraxis | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Traumatic spinal subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Traumatic subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage due to traumatic injury | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 6 | 
| Spontaneous subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 6 | 
| Angiogram-negative subarachnoid haemorrhage | Finding site | False | Subarachnoid space structure | Inferred relationship | Some | 6 | 
| Injection of anaesthetic substance, therapeutic, subarachnoid, continuous | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Intrathecal injection of chemotherapeutic agent | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Injection of anaesthetic substance, diagnostic, subarachnoid, continuous | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Administration of medicine or medicament via intrathecal route | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Subarachnoid perfusion of spinal cord with refrigerated saline | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Intrathecal injection of radiological dye | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Intrathecal neurolytic injection | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Intrathecal neurolysis of sacral roots | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Lateral cervical puncture with injection | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 4 | 
| Intrathecal injection | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Injection of spinal anaesthetic agent for analgesia | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 3 | 
| Injection of anaesthetic substance, therapeutic, subarachnoid, differential | Procedure site - Indirect | True | Subarachnoid space structure | Inferred relationship | Some | 2 | 
| Intrathecal injection of antibiotic | Procedure site - Indirect | False | Subarachnoid space structure | Inferred relationship | Some | 2 |