ICD-10-CM · Chapter 6 · G00–G99
G51
Facial nerve disorders
Diseases of the nervous system
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- G51
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 6 — Diseases of the nervous system
- Category
- G51
- Specificity
- 3 characters
How coders use this code
ICD-10-CM G51 is a category (header) for facial nerve disorders. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in G51
- G51.0Bell's palsy
- G51.1Geniculate ganglionitis
- G51.2Melkersson's syndrome
- G51.3Clonic hemifacial spasm
- G51.31Clonic hemifacial spasm, right
- G51.32Clonic hemifacial spasm, left
- G51.33Clonic hemifacial spasm, bilateral
- G51.39Clonic hemifacial spasm, unspecified
- G51.4Facial myokymia
- G51.8Other disorders of facial nerve
- G51.9Disorder of facial nerve, unspecified
Want to learn coding?
Master ICD-10-CM in 90 days.
Medita's 90-day curriculum is calibrated to the CPC (AAPC), CCA, and CCS (AHIMA) exam blueprints. Day 1 is free.