Plasma from a lavender top (EDTA) tube is the only acceptable sample type. Mix sample thoroughly.
Centrifuge at room temp within one half hour of collection; preferably immediately after venipuncture. Transfer the cell-free plasma to a clean tube and immediately freeze the cell-free plasma on dry ice or at -70°C.
Preferred volume: 1 mL
Minimum volume: 500 µL plasma, frozen.
Send frozen plasma Priority Overnight via FedEx and in a well insulated container on dry ice.
Frozen at -70°C: 1 year
up to 4 weeks
Cytokine (Interleukin 4);Complement (Interleukin 4);IL-4; (Interleukin 4);Cytokines (Interleukin 4);Luminex
Human Male: 0.0 - 4.1 pg/mL
Human Female: 0.0 - 4.1 pg/mL