Centralized Core Laboratory:Hematology
Purple top (EDTA) tube: Whole Blood
2.0 mL (minimum 0.3 mL) and 2 fresh smears
Cause for rejection:
Specimen hemolyzed, clotted, diluted with IV fluid; drawn with heparin or contaminated with heparin; improperly prepared blood smears, specimens at room temperature >8 hours, specimens refrigerated >24 hours.
Daily, 24 hours; STAT
Unopette with Phase Microscopy
Indicate clearly if a specimen has been drawn from an arterial line or from a line that has been rinsed with heparin.
Reference range is available on patient report
Platelets; Thrombocyte Count