Tube Type:
Purple top (EDTA) tube: Whole Blood
Collection Volume:
0.25 mL or 250 microliters minimum
Cause for Rejection:
Specimen hemolyzed, clotted, diluted with IV fluid, or collected in heparin; tubes improperly filled; specimen at RT > 8 hours or 4-8C > 24 hours
Methodology:
Impedance measurement with Optical Flow fluorescence measurements and Spectrophotometry
Special Instructions:
Indicate clearly if a specimen has been drawn from an arterial line or from a line that has been rinsed with heparin.
