2026 ICD-10-CM Diagnosis Code G73Disorders of myoneural junction and muscle in diseases classified elsewhere

ICD-10-CM Codes›G00–G99›G70-G73›G73

ICD-10-CM G73
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G73 is a non-billable ICD-10-CM category code for disorders of myoneural junction and muscle in diseases classified elsewhere, so it cannot be submitted on claims. Use a more specific code from this category instead, such as G73.1, G73.3, and G73.7.

Code Identity

ICD-10-CM Code
G73
Billable Status
No — Non-Billable Category
Code Describes
Disorders of myoneural junction and muscle in diseases classified elsewhere
Chapter
G70-G73
Diseases of myoneural junction and muscle

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG70-G73Diseases of myoneural junction and muscle
CategoryG73Disorders of myoneural junction and muscle in diseases classified elsewhere
This CodeG73Disorders of myoneural junction and muscle in diseases classified elsewhere

Specific Coding for Disord of myoneural junction and muscle in dis classd elswhrOverview

Non-specific codes like G73 require more characters. Use one of these billable codes instead:

  • Use G73.1 for Lambert-Eaton syndrome in neoplastic disease

  • Use G73.3 for Myasthenic syndromes in other diseases classified elsewhere

  • Use G73.7 for Myopathy in diseases classified elsewhere

Patient EducationClinical

Neuromuscular Disorders

Neuromuscular disorders affect your neuromuscular system. They can cause problems with:

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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 G73Overview

Is G73 a billable code?

No. This is a category header that groups the codes for disorders of myoneural junction and muscle in diseases classified elsewhere, and headers cannot be submitted on claims. Claims for disorders of myoneural junction and muscle in diseases classified elsewhere need a more specific code from this category, such as G73.1, G73.3, and G73.7.