United States Embassy Pristina Security Message for U.S. Citizens: Heightened Caution During Religio. Senator John McCainâs Remarks to the Assembly of Kosovo. Thank you, Mister Speaker, Mister Prime Minister, and dear friends for that kind reception and for the honor of addressing this Assembly.
If you drink black coffee, with no additives, you can still have fasting labs done. However, coffee will increase your blood pressure and affect some tests .... especially a CRP. Your paying for these tests. I would recommend no coffee 10-12 hours prior if your not sure. The best method is to call the laboratory.
Report Abuse. 1  Yes - If you fast for 8 hours at work that should be more then adequate. They ask for 8-10 hours of fasting before doing blood work. 2  Coffee may be overlooked but the milk will not. You should reschedul 3  . You will nt die if you fast 8 to 10 hours. Lynn 1949 Â· 3 years ago.  12 hours is the most recommended fasting time.