ICD-10-CM · Chapter 6 · G00-G99
G51 Facial nerve disorders
Includes
- disorders of 7th cranial nerve
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| G51..0 | Bell's palsy | Yes |
| G51..1 | Geniculate ganglionitis | Yes |
| G51..2 | Melkersson's syndrome | Yes |
| G51..3 | Clonic hemifacial spasm | No |
| G51..31 | Clonic hemifacial spasm, right | Yes |
| G51..32 | Clonic hemifacial spasm, left | Yes |
| G51..33 | Clonic hemifacial spasm, bilateral | Yes |
| G51..39 | Clonic hemifacial spasm, unspecified | Yes |
| G51..4 | Facial myokymia | Yes |
| G51..8 | Other disorders of facial nerve | Yes |
| G51..9 | Disorder of facial nerve, unspecified | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category G51:
- Bell's Palsy — Parálisis de Bell
Last reviewed: September 2026