G70.9 ICD-10-CA code: Myoneural disorder, unspecified
G70.9 is the ICD-10-CA code for “Myoneural disorder, unspecified” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
G70.9Myoneural disorder, unspecified
Short description: Myoneural disorder unspecified
ICD-10-CA · Canada · Also written G709
Index terms
Entries in CIHI’s alphabetical index that lead to G70.9. Searching the index by the condition the note names is how coders reach this code.
- Neuromyopathy
- Myasthenia, myasthenic
- Disorder (of), myoneural
- Syndrome, myasthenic (in)
- Disease, diseased, myoneural
- Disorder (of), neuromuscular
- Disease, diseased, neuromuscular system
Notes for G70.9
As CIHI prints them, with any note G70.9 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)From G70 Myasthenia gravis and other myoneural disorders
- 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 G70.9 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
- 4Valid code G70.9Myoneural disorder, unspecified
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
What does ICD-10-CA code G70.9 mean?
G70.9 is the ICD-10-CA code for “Myoneural disorder, unspecified” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is G70.9 in ICD-10-CA?
G70.9 sits under G70 Myasthenia gravis and other myoneural disorders, within G70-G73 Diseases of myoneural junction and muscle, within Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G70.9?
ICD-10-CA lists Excludes notes for G70.9, 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.