Polymerase Chain Reaction (PCR)
TPMT Genetics; Mercaptopurine Toxicity; Azathiopurine Toxicity; TPMT Deficiency
Quest Diagnostics San Juan Capistrano
Wednesday and Friday
3-5 mL Whole Blood
Whole blood collected in an EDTA (royal blue-top), sodium heparin (green-top), ACD Solution A/B (yellow-top) or lithium heparin (green-top) tube is also acceptable.
Room Temp=8 Days; Refrigearated=8 Days; Frozen=Unacceptable
5 mL Whole Blood
3 mL Whole Blood
Insurance authorization is required prior to draw for Outpatients. Ok to send on Inpatients. No special forms needed.