G70 ICD-10-CA category: Myasthenia gravis and other myoneural disorders
G70 isn’t a code on its own. Choose one of the 5 codes beneath it, the one the documentation supports.
Official description
G70Myasthenia gravis and other myoneural disorders
ICD-10-CA · Canada
Codes in G70
G70 isn’t a code on its own. Open the code that matches what the note documents.
Notes for G70
As CIHI prints them, with any note G70 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Botulism (A05.1)myasthenia gravis in (with) diabetic neuropathy (E10.40/G73.0*) (E11.40/G73.0*) (E13.40/G73.0*) (E14.40/G73.0*)transient neonatal myasthenia gravis (P94.0)
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 6: Diseases of the nervous system (G00-G99)
Where G70 sits
- 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
- 2Block G70-G73Diseases of myoneural junction and muscle
- 3Category G70Myasthenia gravis and other myoneural disorders
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is G70 a valid ICD-10-CA code?
No. G70 (Myasthenia gravis and other myoneural disorders) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 5 codes; record the one the documentation supports.
Where is G70 in ICD-10-CA?
G70 sits under G70-G73 Diseases of myoneural junction and muscle, within Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G70?
ICD-10-CA lists Excludes notes for G70, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.