2 doctors weighed in:

How do you determine blood type?

2 doctors weighed in
Dr. Lonna Larsh
Family Medicine

In brief: Blood test

Blood is mixed with antibodies to the proteins that determine blood type.
If the blood clots, then the blood has that protein on it. If it doesn't clot, the protein isn't present. For example, i draw your blood and mix it with some a antibody, some b antibody, and some rh antibody. If it clots with all of these, your blood type is ab+. If it clots with none of them, it's o-.

In brief: Blood test

Blood is mixed with antibodies to the proteins that determine blood type.
If the blood clots, then the blood has that protein on it. If it doesn't clot, the protein isn't present. For example, i draw your blood and mix it with some a antibody, some b antibody, and some rh antibody. If it clots with all of these, your blood type is ab+. If it clots with none of them, it's o-.
Dr. Lonna Larsh
Dr. Lonna Larsh
Thank
Dr. Gloria Shenkir
Internal Medicine

In brief: Labwork.

Blood type can easily be determined with a lab test.
If you donate blood you will have blood typing done; your doctor can order it as well, but be aware your insurance company may not pay for the test if you don't have an indication (like an upcoming surgery).

In brief: Labwork.

Blood type can easily be determined with a lab test.
If you donate blood you will have blood typing done; your doctor can order it as well, but be aware your insurance company may not pay for the test if you don't have an indication (like an upcoming surgery).
Dr. Gloria Shenkir
Dr. Gloria Shenkir
Thank
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