Tube Type:
Lt Blue top (sodium citrate) tube
Collection Volume:
2.7 mL (minimum 1.8 mL)
Must use appropriate sodium citrate tube based on volume of blood drawn (1.8 mL or 2.7 mL tube)
Cause for Rejection:
Sample hemolyzed, clotted, diluted with IV fluid; contaminated with heparin; improperly filled; received 1 hr after drawn
Methodology:
Optical Light Scatter Detection Clotting Assay (Clauss)
Special Instructions:
Indicate clearly if a specimen has been drawn from an arterial line or from a line that has been rinsed with heparin. Please indicate if the patient is currently receiving anticoagulant therapy.
For offsite locations, call a STAT courier for specimen to be delivered to laboratory. Specimen is only stable for 1 hour.
