1 ml EDTA blood
0.5 ml EDTA blood unless the Hematocrit is high
Deliver to laboratory promptly
4 hrs room temp, 24 hrs refrigerated
Centrifuge tube promptly upon arrival in lab (preferably refrigerated.)
Transport delays greater than 4 hrs. Specimens collected in non-EDTA tubes like serum and heparin. Avoid hemolysis and glass tubes.
Fluorescence Polarization Immunoassay