Direct antiglobulin test
To detect the presence of IgG antibodies bound to the antigens on the red blood cell surface membrane.
To determine if there are any antibodies on the surface of the patient's red cells. Used in the investigation of haemolytic anaemia, a haemolytic transfusion reaction and drug-induced haemolysis.
|Sample & container required||EDTA (lavender top)|
|Sample volume||4 mL for paediatrics 6 mL for adults|
|Turnaround time||Dependent on clinical requirement. Contact the laboratory to discuss further.|
May be referred to the NHS Blood and Transplant service for additional testing