Blood Group; Rh Factor

Blood Group; Rh Factor

Formal name: ABO Group and Rh Type

Related tests: Direct Antiglobulin Test, RBC Antibody Screen, Compatibility Testing, Crossmatch, RBC Antibody Identification, HLA Testing

Why Get Tested?

To determine your ABO blood group and Rh type

When to Get Tested?

When you need a transfusion of blood or blood components; when you donate blood at a collection facility or donate an organ, tissue, or bone marrow for transplantation; before or during a woman's pregnancy to determine the risk of Rh incompatibility with the fetus