At a Glance
Why Get Tested?
To screen for the presence of sickle cell trait or to confirm the presence of sickle cell disease
When to Get Tested?
If you are of Afro-Carribean descent to determine if you carry one or both genes for sickle cell disease and for antenatal screening. There are other ethnic minorities in whom the sickle gene is found and should be tested if index of clinical suspicion is high.
A blood sample taken from a vein in the arm. In children, a blood sample from a finger-prick or heel-prick
Test Preparation Needed?
None; however, if this test is used for diagnosis, the sample should not be taken after a recent blood transfusion