ICD-10-CM G70: Myasthenia gravis and other myoneural disorders

ICD-10-CM Diagnosis Code (2025)

Official Description for G70

Myasthenia gravis and other myoneural disorders

Coding Notes & Guidelines for G70

Excludes1: Not Coded Here
  • botulism (A05.1, A48.51-A48.52)
  • transient neonatal myasthenia gravis (P94.0)
Excludes1: Not Coded Here

Lambert-Eaton syndrome in neoplastic disease (G73.1)

Code First

(T51-T65) to identify toxic agent

Code First

underlying disease

Inclusion Terms

Myasthenia gravis NOS

Inclusion Terms

Myasthenia gravis in crisis

Inclusion Terms

Lambert-Eaton syndrome NOS

Child Codes (More Specific Codes for G70):

G70.0 - Myasthenia gravis G70.00 - Myasthenia gravis without (acute) exacerbation G70.01 - Myasthenia gravis with (acute) exacerbation G70.1 - Toxic myoneural disorders G70.2 - Congenital and developmental myasthenia G70.8 - Other specified myoneural disorders G70.80 - Lambert-Eaton syndrome, unspecified G70.81 - Lambert-Eaton syndrome in disease classified elsewhere G70.89 - Other specified myoneural disorders G70.9 - Myoneural disorder, unspecified

About ICD-10-CM Code G70 (Myasthenia gravis and other myoneural disorders)

ICD-10-CM code G70 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM G70 became effective on October 1, 2024.

This page provides detailed information about G70 - Myasthenia gravis and other myoneural disorders. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Myasthenia gravis and other myoneural disorders.