G70-G73 ICD-10-CA block: Diseases of myoneural junction and muscle
G70-G73 isn’t a code on its own. Choose one of the 26 codes beneath it, the one the documentation supports.
Official description
G70-G73Diseases of myoneural junction and muscle (G70-G73)
ICD-10-CA · Canada
Codes in G70-G73
G70-G73 isn’t a code on its own. Open the group that matches what the note documents.
Notes for G70-G73
As CIHI prints them, with any note G70-G73 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- 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-G73 sits
- 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
- 2Block G70-G73Diseases of myoneural junction and muscle
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-G73 a valid ICD-10-CA code?
No. G70-G73 (Diseases of myoneural junction and muscle) is a block heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 26 codes; record the one the documentation supports.
Where is G70-G73 in ICD-10-CA?
G70-G73 sits under Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G70-G73?
ICD-10-CA lists Excludes notes for G70-G73, 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.
Codes beside G70-G73
G00-G09Inflammatory diseases of the central nervous systemG10-G14Systemic atrophies primarily affecting the central nervous systemG20-G26Extrapyramidal and movement disordersG30-G32Other degenerative diseases of the nervous systemG35-G37Demyelinating diseases of the central nervous systemG40-G47Episodic and paroxysmal disordersG50-G59Nerve, nerve root and plexus disordersG60-G64Polyneuropathies and other disorders of the peripheral nervous systemG80-G83Cerebral palsy and other paralytic syndromesG90-G99Other disorders of the nervous system