2026 ICD-10-CM Diagnosis Code G52Disorders of other cranial nerves

ICD-10-CM Codes›G00–G99›G50-G59›G52

ICD-10-CM G52
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G52 is a non-billable ICD-10-CM category code for disorders of other cranial nerves, so it cannot be submitted on claims. Use a more specific code from this category instead, such as G52.0, G52.1, G52.2, and G52.3.

Code Identity

ICD-10-CM Code
G52
Billable Status
No — Non-Billable Category
Code Describes
Disorders of other cranial nerves
Short Description
Disorders of other cranial nerves
Same as the full description in the CMS dataset.
Chapter
G50-G59
Nerve, nerve root and plexus disorders

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG50-G59Nerve, nerve root and plexus disorders
CategoryG52Disorders of other cranial nerves
This CodeG52Disorders of other cranial nerves

Specific Coding for Disorders of other cranial nervesOverview

Non-specific codes like G52 require more characters. Use one of these billable codes instead:

  • Use G52.0 for Disorders of olfactory nerve

  • Use G52.1 for Disorders of glossopharyngeal nerve

  • Use G52.2 for Disorders of vagus nerve

  • Use G52.3 for Disorders of hypoglossal nerve

  • Use G52.7 for Disorders of multiple cranial nerves

  • Use G52.8 for Disorders of other specified cranial nerves

  • Use G52.9 for Cranial nerve disorder, unspecified

Tabular List NotesGuidance

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

Type 2 Excludes

  • disorders of acoustic 8th nerve H93.3
  • disorders of optic 2nd nerve H46 H47.0
  • paralytic strabismus due to nerve palsy H49.0 H49.2

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 G52Overview

Is G52 (Disorders of other cranial nerves) a billable code?

No. This is a category header that groups the codes for disorders of other cranial nerves, and headers cannot be submitted on claims. Claims for disorders of other cranial nerves need a more specific code from this category, such as G52.0, G52.1, and G52.2.