2026 ICD-10-CM Diagnosis Code G50Disorders of trigeminal nerve

ICD-10-CM Codes›G00–G99›G50-G59›G50

ICD-10-CM G50
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G50 is a non-billable ICD-10-CM category code for disorders of trigeminal nerve, so it cannot be submitted on claims. Use a more specific code from this category instead, such as G50.0, G50.1, G50.8, and G50.9.

Code Identity

ICD-10-CM Code
G50
Billable Status
No — Non-Billable Category
Code Describes
Disorders of trigeminal nerve
Chapter
G50-G59
Nerve, nerve root and plexus disorders

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG50-G59Nerve, nerve root and plexus disorders
CategoryG50Disorders of trigeminal nerve
This CodeG50Disorders of trigeminal nerve

Specific Coding for Disorders of trigeminal nerveOverview

Non-specific codes like G50 require more characters. Use one of these billable codes instead:

  • Use G50.0 for Trigeminal neuralgia

  • Use G50.1 for Atypical facial pain

  • Use G50.8 for Other disorders of trigeminal nerve

  • Use G50.9 for Disorder of trigeminal nerve, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • disorders of 5th cranial nerve

Patient EducationClinical

Peripheral Nerve Disorders

Nerves are like wires that carry messages back and forth between your brain and your body. Your peripheral nerves branch off from your brain and spinal cord and connect to all parts of your body, including your muscles and organs.

The full article covers:

  • What are peripheral nerves?
  • What are peripheral nerve disorders?
  • What causes peripheral nerve disorders?
  • What are the symptoms of peripheral nerve disorders?
  • How are peripheral nerve disorders diagnosed?
  • What are the treatments for peripheral nerve disorders?
  • Can peripheral nerve disorders be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About G50Overview

Is G50 (Disorders of trigeminal nerve) a billable code?

No. This is a category header that groups the codes for disorders of trigeminal nerve, and headers cannot be submitted on claims. Claims for disorders of trigeminal nerve need a more specific code from this category, such as G50.0, G50.1, and G50.8.