2027 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 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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
Short Description
Disord of myoneural junction and muscle in dis classd elswhr
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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to G73: its own notes plus those printed at Chapter 6. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 6 (G00-G99) Diseases of the nervous system applies to 700 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name G73, its category, or a range that includes it.

Code First 1

These codes say to code first a condition named in the note, and G73 is one of the conditions named.

  • M62.84 Sarcopenia
    disorders of myoneural junction and muscle disease in diseases classified elsewhere (G73.-)

Patient EducationClinical

Neuromuscular Disorders

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

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

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.