G70
⚠ Non-billable
Myasthenia gravis and other myoneural disorders
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G70
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Nervous System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code G70?
ICD-10-CM code G70 represents Myasthenia gravis and other myoneural disorders. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G70 billable?
No. G70 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is G70 in?
G70 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
Related codes in the G70 category
G70.0
Myasthenia gravis
Non-billable
G70.1
Toxic myoneural disorders
Billable
G70.2
Congenital and developmental myasthenia
Billable
G70.8
Other specified myoneural disorders
Non-billable
G70.9
Myoneural disorder, unspecified
Billable
G70.00
Myasthenia gravis without (acute) exacerbation
Billable
G70.01
Myasthenia gravis with (acute) exacerbation
Billable
G70.80
Lambert-Eaton syndrome, unspecified
Billable
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