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.
You may: If thyroid blood test is the only test you are having, coffee is not likely to materially affect the results. Generally it is better to be fasting for lab tests. ...Read more. Dr. Gurmukh Singh Board Certified, Pathology 43 years in practice 96M people helped.