counting the number of white and red blood cells and the number of platelets in 1 cubic millimeter of blood
"The doctor ordered a CBC to count the number of white and red blood cells and the number of platelets in one cubic millimeter of his blood."
Initialism of Canadian-born Chinese.
"The CBC community in Toronto has established several new cultural centers to support local artists."
In plain English: A CBC is a standard blood test that checks how well your red and white blood cells are working to keep you healthy.
"The CBC is showing their new drama series tonight."
Initialism of Canadian Broadcasting Corporation.
"The CBC is broadcasting live coverage of the national election tonight."