G73Header code — not billable

Disorders of myoneural junction and muscle in diseases classified elsewhere

Short description: Disord of myoneural junction and muscle in dis classd elswhr

Chapter
6. Diseases of the nervous system
Category
G73
Effective date
October 1, 2026

Related codes in category G73

G73.1Lambert-Eaton syndrome in neoplastic diseaseYesG73.3Myasthenic syndromes in other diseases classified elsewhereYesG73.7Myopathy in diseases classified elsewhereYes

Frequently asked questions

What is ICD-10 code G73?

G73 is an ICD-10-CM diagnosis code for Disorders of myoneural junction and muscle in diseases classified elsewhere.

Is G73 a billable code?

No. G73 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 G73 in?

G73 falls under Chapter 6: Diseases of the nervous system.

When did G73 become effective?

G73 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to G73?

G73 belongs to category G73, which includes 3 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.