| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| RIS | RIS | Radiologically isolated syndrome | ||
| CIS | CIS | Clinically isolated syndrome | ||
| MS | MS | Multiple sclerosis | ||
| NMO | NMO | Neuromyelitis optica spectrum disorder | ||
| ADEM | ADEM | Acute Disseminated Encephalomyelitis | ||
| Other | Other | Other CNS demyelinating disorder |