Centralized Core Laboratory:Immunology
Red top ( no anticoagulant) tube
5.0 mL (minimum 1.5 mL)
Days Performed Mon- Fri
Ex Vivo Challenge, Cell Culture and Histamine Analysis
Draw blood in a plain, red-top tube(s), allow clotting. Spin down and separate. Send 2 mL of serum refrigerated in a plastic vial.
Patients taking calcineurin inhibitors should stop medication 72 hours prior to draw. Patients taking predisone should be off their medication for 2 weeks prior to draw.
Reference range: <10.0