| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Malignant astrocytoma of optic nerve | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Optic nerve glioma | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Melanocytoma of optic nerve head | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Late congenital neurosyphilis | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Meningomyelocele/myelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Pilocytic astrocytoma of cerebellum | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cerebellar haematoma | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| AIDS with slow virus infection | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Progressive locomotor ataxia (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Tabetic neurosyphilis | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Neoplasm of optic nerve | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Central nervous system malformation in fetus affecting obstetrical care | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Erythrocytosis due to cerebellar hemangioma | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Subdural abscess | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| hydromyélocèle | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Diffuse Lewy body disease with spongiform cortical change | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cerebrospinal fluid flow imaging for CSF leakage detection and localization | Procedure site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 3 | 
| Fetal myelomeningocele causing disproportion (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Radioisotope study of central nervous system (procedure) | Procedure site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Cerebrospinal fluid flow imaging, shunt evaluation | Procedure site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 3 | 
| Ataxia-telangiectasia syndrome | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cerebrospinal fluid flow imaging, cisternography | Procedure site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Meningomyelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cerebellar hemorrhage | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Disorder of visual pathways associated with neoplasm | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Diffuse Lewy body disease | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Known OR suspected fetal hydrocephalus affecting obstetrical care | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Cerebrospinal fluid flow imaging, ventriculography | Procedure site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 4 | 
| Cerebrospinal fluid flow imaging | Procedure site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Cerebrospinal fluid flow imaging, tomographic | Procedure site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Benign neoplasm of optic nerve (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Neoplasm of uncertain behavior of optic nerve | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Cerebellar artery occlusion | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cerebellar artery thrombosis | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Paracentesis of central nervous system structure | Procedure site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Rubella with neurological complication | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Neoplasm of uncertain behaviour of brain and spinal cord | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Occlusion and stenosis of cerebellar arteries (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Spina bifida with stenosis of aqueduct of Sylvius | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Spinal hydromeningocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cervical spinal hydromeningocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cervical hydromyelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Thoracic hydromyelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Lumbar hydromyelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Spinal meningocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cervical spinal meningocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Thoracic spinal meningocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Lumbar spinal meningocele (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cervical meningomyelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Thoracic meningomyelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Lumbar meningomyelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cervical myelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Thoracic myelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Lumbar myelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cerebrospinal fluid isotope study | Procedure site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Myelocele with hydrocephalus | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 3 | 
| Senile dementia of the Lewy body type | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Rubella with unspecified neurological complication | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Rubella with neurological complication NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Unspecified juvenile neurosyphilis | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Juvenile neurosyphilis NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| [X]Rubella with neurological complications | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Neoplasm of uncertain behavior of brain or spinal cord NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| [X]Malignant neoplasm of central nervous system, unspecified | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| [X]Malignant neoplasm, overlapping lesion of brain and other part of central nervous system | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Other central nervous system disorders | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Other conditions of brain | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Unspecified encephalopathy | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Other conditions of brain OS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Brain conditions NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Other specified disorders of central nervous system | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Other central nervous system disorders NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Spinal hydromeningocele, unspecified | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Spinal hydromeningocele NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Hydromyelocele of unspecified site | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Hydromyelocele NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Spinal meningocele of unspecified site | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Spinal meningocele NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Meningomyelocele of unspecified site | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Meningomyelocele NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Myelocele of unspecified site | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Myelocele NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| [X]Other congenital cauda equina malformations | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| [X]Other specified congenital malformations of spinal cord | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Other conditions of brain NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Central nervous system (CNS) disorders NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Equine degenerative myeloencephalopathy | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Congenital cerebellar cortical atrophy (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of central nervous system (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Hypoplasia of optic disc (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Optic disc hypoplasia | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 3 | 
| Optic disc structural anomaly (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Acquired myelocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| Cranial hydromeningocele | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 2 | 
| poliomyélite aiguë avec paralysie sauf bulbaire | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Acute poliomyelitis | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some |  | 
| Acute paralytic poliomyelitis, unspecified | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Acute paralytic poliomyelitis, vaccine-associated | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Acute paralytic poliomyelitis, wild virus, imported | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Acute paralytic poliomyelitis, wild virus, indigenous (disorder) | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 | 
| Acute poliomyelitis NOS | Finding site | False | Structure of central nervous system (body structure) | Inferred relationship | Some | 1 |