SNOMED CT CA
Canada's Essential Enabler for Semantic Interoperability

SNOMED CT is the largest and most comprehensive clinical reference terminology in the world.
SNOMED CT Canadian Edition is harmonized with the most recent International monthly release and includes the CA French, CA English, and CA ValueSets. This is the Edition to implement as it contains content that is specific to Canadian use contexts and is maintained by the Canadian Standards Release Centre. It is released quarterly in February, May, August, and November of each year.
The SNOMED CT International Edition contains international content. It is maintained by SNOMED International and it is release monthly on the first of each month.