Tube Type:
Purple top (EDTA) tube: Whole Blood
Cause for Rejection:
Specimen hemolyzed, clotted, diluted with IV fluid, or collected in heparin, specimen at room temperature >8hours or refrigerated specimens >24 hours.
Methodology:
Impedance measurement with Optical Flow light scatter and fluorescent measurements and microscopic evaluation of a Wright's stained blood film
Special Instructions:
Indicate clearly if a specimen has been drawn from an arterial line or from a line that has been rinsed with heparin.
