Spin within two (2) hours of sample collection
Lt green plasma separator (PST)
Immediately following collection, thoroughly mix sample by gently inverting 5 times
Gold serum separator (SST) tube
Refrigerated (preferred) - 7 days
Ambient - 2 days
Frozen - 4 weeks
Homogenous microparticle agglutination immunassay (KIMS)
4.0 - 12.0 µg/mL
>15 µg/mL