2022 ICD-10-CM Code G70.9

Myoneural disorder, unspecified

Version 2021

Valid for Submission

ICD-10:G70.9
Short Description:Myoneural disorder, unspecified
Long Description:Myoneural disorder, unspecified

Code Classification

  • Diseases of the nervous system (G00–G99)
    • Diseases of myoneural junction and muscle (G70-G73)
      • Myasthenia gravis and other myoneural disorders (G70)

G70.9 is a billable diagnosis code used to specify a medical diagnosis of myoneural disorder, unspecified. The code G70.9 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.

The ICD-10-CM code G70.9 might also be used to specify conditions or terms like cardiomyopathy due to neuromuscular disorder, denervation, dilated cardiomyopathy secondary to neuromuscular disorder, disorder of neuromuscular transmission, hypoventilation during sleep due to neuromuscular disorder , myasthenic facies, etc.

Unspecified diagnosis codes like G70.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code G70.9 are found in the index:

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Convert G70.9 to ICD-9 Code

Information for Patients


Neuromuscular Disorders

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

These disorders can cause your muscles to become weak and waste away. You may also have symptoms such as spasms, twitching, and pain.

Examples of neuromuscular disorders include

There can be different causes for these diseases. Many of them are genetic.This means they are inherited (run in families) or are caused by a new mutation in your genes. Some neuromuscular disorders are autoimmune diseases. Sometimes the cause is unknown.

Many neuromuscular diseases have no cure. But treatments may improve symptoms, increase mobility, and lengthen life.


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)