The DAT (Direct Coomb's test) is positive if red cells have been coated, in vivo, with immunoglobulin, complement, or both. A positive result can occur in immune-mediated red cell destruction, autoimmune hemolytic anemia, a transfusion reaction or in patients receiving certain drugs.

Also known as: DCT Blood, Direct Coombs Test, Coombs Direct Test.

Have More Questions?

• Why is this test required?
• What are the test preparations?
• What is the general cost of this test?