G50Header code — not billable

Disorders of trigeminal nerve

Chapter
6. Diseases of the nervous system
Category
G50
Effective date
October 1, 2026

Related codes in category G50

G50.0Trigeminal neuralgiaYesG50.1Atypical facial painYesG50.8Other disorders of trigeminal nerveYesG50.9Disorder of trigeminal nerve, unspecifiedYes

Frequently asked questions

What is ICD-10 code G50?

G50 is an ICD-10-CM diagnosis code for Disorders of trigeminal nerve.

Is G50 a billable code?

No. G50 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is G50 in?

G50 falls under Chapter 6: Diseases of the nervous system.

When did G50 become effective?

G50 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to G50?

G50 belongs to category G50, which includes 4 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.