Specimen Collection Requirements
Whole Blood or Plasma, one light blue (3.2% Buffered Sodium Citrate) top tube
Clotted samples, samples collected in containers other than 3.2% Buffered Sodium Citrate, tubes filled less than 90%, samples from patients with a Hematocrit greater than 55%, hemolyzed samples due to ex-vivo causes (i.e., difficult draw, poor sample draw), whole blood samples that were frozen before processing
WHOLE BLOOD Ambient: 4 hours PLASMA: Ambient: 4 hours; Frozen: -20°C 2 weeks, -70°C 6 months
Testing Information
Samaritan Health Services Laboratories
Reference Values
Last Updated:
Thursday, January 5, 2017 03:42:11 AM