Request another sample to be collected to ensure accuracy. No changes necessary. You may be asked not to take this medication before the test. If you are being tested to monitor thyroid therapy, you will continue to receive daily thyroid supplements. Roll up sleeve only.
Discomfort disappears when the test is finished.
Sterile, disposable equipment prevents contamination or spread of infection. There is no risk of becoming infected with the hepatitis virus, AIDS virus or any other infecting germ. Skin over the vein to be stuck is cleaned with alcohol or other antiseptic on a piece of cotton. When blood is drawn from a vein, the operator feels the vein to be used then punctures both the skin and vein in one quick stroke. The needle used is a sterile, disposable needle attached to a sterile, disposable syringe.