G70Header code — not billable
Myasthenia gravis and other myoneural disorders
- Chapter
- 6. Diseases of the nervous system
- Category
- G70
- Effective date
- October 1, 2026
Related codes in category G70
G70.0Myasthenia gravisG70.00Myasthenia gravis without (acute) exacerbationYesG70.01Myasthenia gravis with (acute) exacerbationYesG70.1Toxic myoneural disordersYesG70.2Congenital and developmental myastheniaYesG70.8Other specified myoneural disordersG70.80Lambert-Eaton syndrome, unspecifiedYesG70.81Lambert-Eaton syndrome in disease classified elsewhereYesG70.89Other specified myoneural disordersYesG70.9Myoneural disorder, unspecifiedYes
Frequently asked questions
What is ICD-10 code G70?
G70 is an ICD-10-CM diagnosis code for Myasthenia gravis and other myoneural disorders.
Is G70 a billable code?
No. G70 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 G70 in?
G70 falls under Chapter 6: Diseases of the nervous system.
When did G70 become effective?
G70 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to G70?
G70 belongs to category G70, which includes 10 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.