blood work en · NOUN
Meanings
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(uncountable) A blood test.
Some medications require blood work to monitor for possible side effects.
2012, William Marchand, Depression and Bipolar Disorder: Your Guide to Recovery, page 275:John's blood work is now in the normal range, except for his T cells, which are still low.
1989 April 8, John Dooley, “Syphilis and AIDS: What's the Connection?”, in Gay Community News, page 10: