Take a look at who is sending out the test kit. If it is a hospital or a lab, it is most likely reputable.
Once you open up your test kit, you must use it within 24 hours or it may not be as accurate. [3] X Research source
The water will help to dilute your blood and let the card read the results better.
Swabbing your finger with alcohol removes any germs or bacteria that could skew your results.
The needle is small enough that you will only feel a slight pinch.
Keep your finger close to the test card so that you don’t have to move your applicator very far.
Keep the applicators in each circle that they correspond to so that you don’t mix them up.
Keep the blood and water inside of the circles so that they don’t mix together.
Tilt the card very slowly so that the liquids don’t fall off.
