| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Maintenance of general anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Total intravenous anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Total intravenous anaesthesia | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Visual evoked magnetic fields | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Visual evoked magnetic fields - flash | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Visual evoked magnetic fields - full field pattern reversal | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Visual evoked magnetic fields - partial field pattern reversal | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Brainstem auditory evoked magnetic fields | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Scalp EEG | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| EEG with overbreathing | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| EEG with photic stimulation | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| EEG with overbreathing and photic stimulation | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| EEG with drug administration | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| EEG during special activation procedure | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Sleep electroencephalogram during natural sleep | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Sleep electroencephalogram in sleep-deprived patient | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Sleep EEG - drug-induced sleep | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Sleep EEG during polysomnography | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Multiple sleep latency test | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Special electrode EEG | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Thalamic (multi-mode) recording | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Ambulatory EEG | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Continuous processed EEG | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Continuous monitoring using cerebral function analysing monitor | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Video EEG | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| EEG telemetry | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| EEG and EMG myoclonus recording | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Inhalation anaesthesia, machine system, closed, rebreathing of primary agent | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Central nervous system examination | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Intraoperative EEG - cerebral function analysing monitor | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Intraoperative EEG using compressed spectral array | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Continuous processed EEG using compressed spectral array | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Cerebrospinal fluid flow finding | Finding site | True | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Free flow of (CSF) cerebrospinal fluid | Finding site | True | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Reduced flow of (CSF) cerebrospinal fluid | Finding site | True | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Removal of foreign body from central nervous system | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Progressive central nervous system disease rehabilitation | Procedure site - Direct | True | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Sleep electroencephalogram | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Removal of foreign body from brain | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Myringotomy including aspiration with general anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Electroencephalogram awake and asleep with stimulation | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Inhalation anaesthesia, machine system, closed, circulation of primary agent | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Sleep electroencephalogram, all night | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Inhalation anaesthesia, machine system, semi-closed, rebreathing of primary agent | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Video and radio-telemetered electroencephalographic monitoring | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Inhalation anaesthesia, machine system, semi-closed, no rebreathing of primary agent | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Inhalation anaesthesia, machine system, closed, no rebreathing of primary agent | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| General anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Evoked response audiometry with EEG | Procedure site - Direct | True | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Demyelinating myelopathy of Miniature Poodles | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Portable electroencephalogram | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Electroencephalogram | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Radionuclide study of central nervous system | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Removal of foreign body from spinal canal | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Portable electroencephalogram awake and asleep with stimulation | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Inhalation anaesthesia, machine system, semi-closed, circulation of primary agent and gases | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Electroencephalogram awake and drowsy with stimulation | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Central pontine myelinolysis | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Tympanostomy with general anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Electroencephalogram during nonintracranial surgery | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Manipulation of ankle under general anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Acute haemorrhagic leucoencephalitis | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Intraoperative EEG | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Portable electroencephalogram awake and drowsy with stimulation | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Electroencephalogram during carotid surgery | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Acute disseminated encephalomyelitis | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 6 | 
| Subcortical leucoencephalopathy | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 3 | 
| Demyelinating disease of the spinal cord | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Paracentesis of central nervous system structure | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Inhalation anaesthetic using muscle relaxant | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Multiple sclerosis of the brainstem | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Multiple sclerosis of the spinal cord | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Endotracheal anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Operative general anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Inhalation general anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| General anaesthesia and muscle relaxant | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Demyelination of spinal cord | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Inhalation anaesthetic using endotracheal intubation NEC | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Inhalation anaesthetic NEC | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Intravenous anaesthetic NEC | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Intravenous anaesthetic NEC | Procedure site - Direct | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Marchiafava-Bignami disease | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Dissociative anaesthesia | Procedure site - Indirect | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Progressive spinal ataxia | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Cord multiple sclerosis | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Cord multiple sclerosis | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Multiple sclerosis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Multiple sclerosis NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Other central nervous system demyelinating diseases | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Other central nervous system demyelinating diseases | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Other specified central nervous system demyelinating disease | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Other specified central nervous system demyelinating disease | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Other specified central nervous system demyelination NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Other specified central nervous system demyelination NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| Central nervous system demyelination NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| Central nervous system demyelination NOS | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| [X]Demyelinating diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| [X]Demyelinating diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| [X]Other specified acute disseminated demyelination | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 | 
| [X]Other specified acute disseminated demyelination | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 2 | 
| [X]Other specified demyelinating diseases of the central nervous system | Finding site | False | Structure of central nervous system | Inferred relationship | Some | 1 |