Blood Type (ABO/Rh)

Blood type is determined by the presence or absence of antigens (A, B) on the surface of red blood cells and the Rh factor (positive or negative).

Category: Complete Blood Count

Also known as: blood type, blood group, abo, abo type, abo group, abo rh, blood group abo rh, type and screen

Reference range: 0–0 (Source: ABIM)

High values may indicate

Blood type does not have high or low values. It is a classification: A, B, AB, or O, each with Rh positive or negative.

Low values may indicate

Blood type does not have high or low values. It is a fixed characteristic determined by genetics.

Source: MedlinePlus, U.S. National Library of Medicine

Track your Blood Type (ABO/Rh) over time with BloodId