How To Prepare
Many medicines may change the results
of this test. Be sure to tell your doctor about all the nonprescription and
prescription medicines you take. Make a list of any medicines (prescription and
nonprescription), herbal supplements, vitamins, and other substances you are
taking or have taken in the past 4 days.
You will be asked to sign a consent form that says you understand the risks of the test and agree to have it done. If you are a student involved in competitive extracurricular activities, your parents may also need to sign a consent form before you can be tested.
Talk to your doctor about any concerns you have
about the need for the test, its risks, how it will be done, or what the
results may mean. To help you understand the importance of this test, fill out
medical test information form(What is a PDF document?).
How It Is Done
The health professional taking a sample
of your blood will:
- Wrap an elastic band around your upper arm to
stop the flow of blood. This makes the veins below the band larger so it is
easier to put a needle into the vein.
- Clean the needle site with
- Put the needle into the vein. More than one needle stick
may be needed.
- Attach a tube to the needle to fill it with
- Remove the band from your arm when enough blood is
- Put a gauze pad or cotton ball over the needle site as
the needle is removed.
- Put pressure on the site and then put on a
Clean-catch midstream urine collection
testing for drug abuse, another person will watch you to make sure that the
sample you are providing is your urine and that you have not added anything to
the sample. The temperature of the urine may also be tested to make sure that
it is a fresh sample.
This collection method prevents
contamination of the sample. Wash your hands to make sure they are clean before
collecting the urine.
- If the collection container has a lid, remove
it carefully and set it down with the inner surface up. Do not touch the inside
of the container with your fingers.
- Clean the area around your
- A man should retract the foreskin, if
present, and clean the head of his penis thoroughly with medicated towelettes
- A woman should spread open the folds of skin around her
vagina with one hand, then use her other hand to clean the area around her
urethra thoroughly with medicated towelettes or swabs.
She should wipe the area from front to back to avoid contaminating the urethra
with bacteria from the
- Begin urinating into the toilet or urinal. A
woman should continue holding apart the folds of skin around the vagina while
- After the urine has flowed for several seconds, place
the collection container into the stream and collect about
3 fl oz (90 mL) of this
"midstream" urine without stopping the flow.
- Do not touch the rim
of the container to your genital area, and avoid getting toilet paper, pubic
hair, stool (feces), menstrual blood, or other foreign matter in the urine
- Finish urinating into the toilet or
- Carefully replace the lid on the container and return it to
the lab. If you are collecting the urine at home and cannot get it to the lab
within an hour, refrigerate the sample.
The person who collects a sample of your saliva will do it in one of the following ways:
- Swabbing the inside of your cheek
- Asking you to spit into a tube