when you donate blood what do they test for

by Carole Feeney Published 3 years ago Updated 2 years ago 7 min read

Similar to ABO testing, the Rh test indicates whether your blood type is positive or negative; further narrowing the options of patients who can safely receive your donation. This screening looks for unexpected antibodies on the red cells that could be caused from past transfusions, pregnancy, and other factors.

If the donor is eligible to donate, the donated blood is tested for blood type (ABO group) and Rh type (positive or negative). This is to make sure that patients receive blood that matches their blood type.

Full Answer

What drugs do they test for when donating blood?

At each donation, the following mandatory tests are performed: Syphilis – syphilis antibodies. Some donations are tested for cytomegalovirus (CMV) antibodies to provide CMV negative blood for patients with certain types of impaired immunity ( see Chapter 5 ).

What types of tests are performed on donated blood?

Blood testing - After donation, the Blood is tested for such blood-borne agents as HIV, hepatitis and syphilis. (see details below) Free Cord Blood Registry and Cord Blood Bank. Blood Donor lists - Blood collection establishments must keep current a list of deferred Blood donors and check Blood donor names against that list.

What should we do before donating blood?

Jan 25, 2021 · After donation, the blood is tested for several infectious agents. All tests must be negative before the blood is suitable for transfusion.

What really happens to our donated blood?

Health history and mini physical are completed. For a whole blood donation, about 1 pint of blood is collected; several small test tubes of blood are also collected for testing. Your donation, test tubes and your donor record are labeled with an identical bar code label. Your donation is kept on ice before being taken to a Red Cross center for processing; the test tubes go to the lab.

Why do people donate blood?

There are also potential benefits for people who regularly donate blood: Lower iron levels in blood. This is a plus if your iron levels are too high. Donating blood removes some red blood cells, which carry iron throughout your body. Better cholesterol and triglyceride levels.

How long does it take to donate blood?

Donation. Refreshments. While the whole process, from the time you get to the facility to the time you leave, can take about an hour, the actual donation itself may take as little as 8-10 minutes.

How long after blood donation can you drink?

There aren’t any lasting side effects, but you may temporarily: Need to hydrate. Drink more non-alcoholic beverages for 24-48 hours after you donate blood.

Can you donate blood to a tattoo?

Tattoos, in most states, aren’t a barrier to giving blood, provided that the tattoo artist followed good safety practices (like using sterile needles and not reusing ink). A few states may require a waiting period between when you get a tattoo and when you donate blood, but in general, it’s not an issue. 3. Donation.