G50.0 — Trigeminal neuralgia

G50.0

ICD-10 Chapter 6: Nervous System — illustrative image — Chapter 6: Diseases of the nervous system (G00–G99) — illustrative image

What this code means

Trigeminal neuralgia causes brief, electric-shock-like pains in the face, triggered by touch, chewing or cold air.

Also called: trigeminal neuralgia, tic douloureux.

When this code is used

Used for trigeminal neuralgia.

Where it sits in ICD-10-CM

Code G50.0 belongs to Chapter 6: Diseases of the nervous system, which covers codes G00–G99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

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Frequently asked questions

What is ICD-10-CM code G50.0?

G50.0 is the ICD-10-CM diagnosis code for “Trigeminal neuralgia”. Trigeminal neuralgia causes brief, electric-shock-like pains in the face, triggered by touch, chewing or cold air.

When is code G50.0 used?

Used for trigeminal neuralgia. It belongs to Chapter 6 of ICD-10-CM (Diseases of the nervous system).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.