| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Electroencephalography NEC | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Neurosyphilis, unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Slow virus infection of central nervous system, unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Rabies, unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Extradural and subdural abscess, unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Viral infections of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Acute paralytic poliomyelitis, other and unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Acute poliomyelitis, unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other slow virus infections of central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Other specified viral infections of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Encephalitis, myelitis and encephalomyelitis in viral diseases classified elsewhere | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other systemic atrophy affecting the central nervous system in neoplastic disease classified elsewhere | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Systemic atrophy affecting the central nervous system in myxoedema | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Rubella with neurological complications | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Other encephalitis, myelitis and encephalomyelitis | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Encephalitis, myelitis and encephalomyelitis in bacterial diseases classified elsewhere | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other specified acute disseminated demyelination | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other specified acute disseminated demyelination | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Demyelinating diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Demyelinating diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Malignant neoplasm of central nervous system, unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Intracranial and intraspinal abscess and granuloma in diseases classified elsewhere | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Inflammatory diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Unspecified viral infection of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Malignant neoplasm, overlapping lesion of brain and other part of central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Acute disseminated demyelination, unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Acute disseminated demyelination, unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Other specified demyelinating diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other specified demyelinating diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Encephalitis, myelitis and encephalomyelitis in other infectious and parasitic diseases classified elsewhere | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Encephalitis, myelitis and encephalomyelitis in other diseases classified elsewhere | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Uhthoff phenomenon | Finding site | True | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 2 | 
| Hemiparesis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Rubella with neurological complication NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Tuberculosis of central nervous system NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Rubella with unspecified neurological complication | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Tuberculous encephalitis or myelitis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other specified tuberculosis of central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Obstetric anesthesia with central nervous system complications unspecified (disorder) | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Obstetric anesthesia with central nervous system complication NOS (disorder) | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Brain conditions NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Intracranial or intraspinal abscess NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Multiple sclerosis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified central nervous system demyelination NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Central nervous system demyelination NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Hemiplegia NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other specified inflammatory diseases of central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Inflammatory diseases of central nervous system NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Other conditions of brain OS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Central nervous system complication of care NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other central nervous system examination signs | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Neurosyphilis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Juvenile neurosyphilis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other specified neurosyphilis | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other specified neurosyphilis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid pressure NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other slow virus central nervous system infections | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Slow virus central nervous system infection NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other and unspecified non-arthropod-borne viral diseases of central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other specified non-arthropod-borne viral diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other specified non-arthropod-borne viral diseases of the central nervous system NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Encephalitis/myelitis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Other central nervous system demyelinating diseases | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified central nervous system demyelinating disease | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Infantile hemiplegia NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Central nervous system (CNS) disorders NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other conditions of brain NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other central nervous system viral disease | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Non-arthropod-borne viral diseases of the central nervous system NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Intraspinal abscess NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 2 | 
| Other central nervous system disorders | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other specified disorders of central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other specified hereditary or degenerative diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Unspecified juvenile neurosyphilis | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Poliomyelitis and other non-arthropod-borne viral diseases of central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other central nervous system disorders NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Other conditions of brain | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Unspecified encephalopathy | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Acute poliomyelitis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Acute paralytic poliomyelitis, unspecified | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Vanishing white matter disease | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neoplasm of brain or other nervous system NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid fistula | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Percutaneous transluminal intrasaccular ellipsoid braided-wire assisted embolisation of cerebral aneurysm using fluoroscopic guidance (procedure) | Procedure site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Idiopathic intracranial hypotension | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| Uhthoff phenomenon | Finding site | True | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous transluminal flow diverter embolisation of cerebral aneurysm using fluoroscopic guidance (procedure) | Procedure site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier |  | 
| [X]Viral infections of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 | 
| Otosyphilis | Finding site | True | Structure of central nervous system | Inferred relationship | Existential restriction modifier | 1 |