Specimen Type/Requirements

Lavender top (EDTA) tube - Whole Blood

Blood samples will not be accepted for patients that have undergone an allogenic transplant (e.g. bone marrow or peripheral stem cell) OR that have a history of chronic lymphocytic leukemia (CLL).

Transfusion patients:  Wait at least 2 weeks after a packed cell/platelet transfusion, and at least 4 weeks after a whole blood transfusion prior to blood draw for testing.

Chemotherapy patients:  DNA quality may be affected if patient has received chemotherapy within the last 120 days.  Clients will be contacted to provide additional specimen if DNA quality is insufficient.

All specimens should be sent in the original container and should not be aliquoted to another tube. In addition, the specimen submitted should ONLY be used for this testing and should not be shared with any other testing that would also utilize this specimen type.

Testing is not affected by hemolysis or lipemia.