Table 4.
Multiple sclerosis-specific and demyelinating disease related codes.
| ICD-9 | ICD-10-CA | |
|---|---|---|
| Multiple sclerosis-specific | ||
| Multiple sclerosis | 340 | G35 |
| Demyelinating disease-related | ||
| Optic neuritis | 377.3 | H46 |
| Acute transverse myelitis | 323.82 | G37.3 |
| 341.2 | ||
| Acute disseminated encephalomyelitis | 323 | G36.9 |
| Demyelinating disease of CNS unspecified | 341.9 | G37.8 |
| Other acute disseminated demyelination | Not applicable | G36 |
| Neuromyelitis optica | 341.0 | G36.0 |
ICD-9-CM International Classification of Diseases, Ninth Revision, Clinical Modification, ICD-10-CA International Classification of Diseases, Tenth Revision, Canada.