Blood Typing
Formal name: ABO Grouping and Rh Typing
Related tests: Direct antiglobulin test, Indirect antiglobulin test, Compatibility testing, Crossmatch, Antibody identification
At a Glance
Why Get Tested?
To determine ABO blood group and Rh type
When to Get Tested?
When you need to be transfused with blood or blood components or when you donate blood at a collection facility; pregnant women are tested to determine the risk of Rh incompatibility between the mother and fetus
Sample Required?
A blood sample drawn from a vein in your arm or from a heelstick in the case of an infant
Test Preparation Needed?
None
