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A member asked:
Would donating blood 1-2 weeks before before having a cbc test done interfere with the results of the test?
A doctor has provided 1 answer
Could: Your hematocrit and hemoglobin may be slightly lower after donating a unit of blood--up to three percentage points for the hematocrit to be lower--but after 1-2 weeks, your system would almost be back to baseline. Thanks for donating!
Answered 11/27/2017
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