One key difference between blood and plasma donation lies in what is collected. While blood donations involve drawing all components of blood, plasma donation separates and collects only plasma, returning the remaining components — like red blood cells and platelets — to the donor.
This distinction leads many potential donors to ask if their blood type matters when donating blood plasma. The short answer is yes — your plasma donation center must know your blood type to process your plasma correctly. However, while all healthy donors are needed and appreciated, certain blood types play a unique role in plasma donation.
What Is Plasma and Why Is It Important?
Plasma is the liquid portion of blood, comprising about 55% of its total volume. When separated from other blood components, plasma is a light yellow fluid that’s mostly water but also contains essential proteins, antibodies, clotting factors, and nutrients.
Plasma is used for various medical and scientific purposes, including:
- Immune system deficiencies
- Bleeding disorders, like hemophilia
- Burns and trauma injuries
- Liver disease
- Rare genetic conditions
- Medical research for new therapies and medications
Since plasma can’t be made artificially, medical and research facilities rely solely on donations.
Blood Types and Their Role in Plasma Donation
A person’s blood type is determined by the presence or absence of certain antigens in the red blood cells. There are four main blood types:
- Type A, which has A antigens
- Type B, which has B antigens
- Type AB, which has A and B antigens
- Type O, which has no antigens
These antigens act like identification tags for your immune system. This is why blood donations must be properly screened for blood types. For example, if a patient with Type A blood undergoes a blood transfusion and receives Type B blood, their immune system will release antibodies that attack the transfused blood’s B antigens. This is why transfusing the wrong blood type can result in a potentially life-threatening immune reaction.
While knowing your blood type is also important in blood plasma donation, it’s less about antigens and more about the antibodies that are found in plasma:
- Type A blood plasma contains anti-B antibodies
- Type B contains anti-A antibodies
- Type AB contains neither
- Type O contains both antibodies
Due to these antibody differences, the compatibility of plasma transfusions is the opposite of whole blood transfusions.
Who Are the Universal Plasma Donors?
The universal plasma donor blood type is AB. Since AB blood plasma doesn’t have anti-A or anti-B antibodies, it can be safely transfused to patients of any blood type. This makes AB plasma especially valuable in emergencies when there may not be time to determine a patient’s blood type.
Unfortunately, AB is the rarest blood type – only about 4% of the U.S. population has it. If you have AB blood, your blood plasma donation is important and highly sought after.
Can Other Blood Types Donate Plasma?
Plasma from Types A, B, and O donors are just as valuable and needed. While AB plasma is universally compatible with transfusions, donors of all blood types can still help with plasma-derived therapies and provide plasma to compatible patients.
Qualified donors are carefully screened to ensure their safety and the quality of their plasma. Every donation is processed for safety, and the antibodies present in different blood types are carefully considered depending on the final use.
Here’s why plasma from all blood types matters:
- Type A and Type B plasma can be used for patients with matching blood types.
- While limited in transfusion compatibility, type O plasma provides essential proteins for plasma-derived medicines. These process plasma even further, making it compatible for all patients, regardless of blood type.
Plasma donation also supports the production of critical therapies used globally. In other words, your plasma can help save lives regardless of your blood type.
Plasma vs. Whole Blood Donation: What’s the Difference?
It’s common to wonder about the difference between blood and plasma donation. Here’s a quick comparison:
Whole Blood Donation | Plasma Donation |
Blood is drawn and not separated. Used primarily for transfusions. Donation takes about 10 to 15 minutes. Donors can typically give every 56 days. | Blood is drawn, and a machine separates plasma from other components, which are returned to the body. The process takes about 45 to 60 minutes. Donors can give plasma twice per week, with at least 48 hours between donations. |
Make a Difference By Donating Blood Plasma!
Blood type does matter when it comes to plasma donation. However, no matter your blood type, your donation will make a difference. While we strongly encourage qualified individuals with AB blood to donate, those with other blood types will also play a vital role in creating plasma-based therapies that save lives.
At ABO Plasma in Glassboro, we welcome qualified donors to give back to their community through regular plasma donations. Our facility ensures your comfort and safety throughout the process.
Schedule your plasma donation appointment online today.