![]() You’ll be free to go about your day following the blood draw. You should apply pressure to the wound to stop bleeding and prevent bruising. When the technician finishes drawing blood, they’ll remove the elastic band and the needle and apply a bandage to the puncture wound.You can help ease this pain by relaxing your arm. This usually feels like a pricking or stinging sensation. You may feel some pain while having your blood drawn.It should take no longer than a couple of minutes to collect the blood sample needed. The amount of blood drawn depends on the number of tests that your doctor ordered. ![]() ![]() Next, they’ll insert a sterile needle into your vein and draw blood into a tube.They’ll tie an elastic band around your upper arm so that blood collects in your vein.A healthcare provider will begin by cleaning an area of skin on your arm or hand with antiseptic to help prevent infection.You may have the test in a medical laboratory or a doctor’s office. This procedure is also known as a blood draw or venipuncture. Remember, your doctor only needs a small sample of your blood to get a T cell count.
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