G73.0 ICD-10-CA code: Myasthenic syndromes in endocrine diseases
G73.0 is the ICD-10-CA code for “Myasthenic syndromes in endocrine diseases” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
G73.0Myasthenic syndromes in endocrine diseases
Short description: Myasthenic syndr in endocrine diseases
ICD-10-CA · Canada · Also written G730
Notes for G73.0
As CIHI prints them, with any note G73.0 takes from the headings above it.
Includes
- Myasthenic syndromes in:• diabetic amyotrophy (E10-E14† with common fourth and fifth characters .40)• thyrotoxicosis [hyperthyroidism] (E05.-†)
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 G73.0 sits
- 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
- 2Block G70-G73Diseases of myoneural junction and muscle
- 3Category G73Disorders of myoneural junction and muscle in diseases classified elsewhere
- 4Valid code G73.0Myasthenic syndromes in endocrine diseases
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 G73.0 mean?
G73.0 is the ICD-10-CA code for “Myasthenic syndromes in endocrine diseases” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is G73.0 in ICD-10-CA?
G73.0 sits under G73 Disorders of myoneural junction and muscle in diseases classified elsewhere, within G70-G73 Diseases of myoneural junction and muscle, within Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G73.0?
ICD-10-CA lists Includes, Excludes notes for G73.0, 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 G73.0
View G73G73.1Lambert-Eaton syndromeG73.2Other myasthenic syndromes in neoplastic diseaseG73.3Myasthenic syndromes in other diseases classified elsewhereG73.4Myopathy in infectious and parasitic diseases classified elsewhereG73.5Myopathy in endocrine diseasesG73.6Myopathy in metabolic diseasesG73.7Myopathy in other diseases classified elsewhere