Enter a clue or pattern or both:
The Clue
Common lab tests (4 letter answer)
The Answer
CBCS
Tags
Notes
The answer CBCS is so rare that it appears less than once every 2500 puzzles.
Definition
CBC as a noun:
1. (complete blood count, CBC, blood profile) = counting the number of white and red blood cells and the number of platelets in 1 cubic millimeter of blood