Risks and precautions Samples must be sent to the laboratory immediately. Request another sample to be collected to ensure accuracy. No changes necessary. You may be asked not to take this medication before the test. Roll up sleeve only.
Discomfort disappears when the test is finished.
Equipment used Needles, syringes and heparinized collecting tubes. 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. In some cases, you or a close relative will be required to sign a consent form after the procedure has been explained to you. Technician, doctor or nurse applies a tourniquet or blood-pressure cuff to the upper arm if blood is collected from a vein.