Serum or Plasma
1 mL Blood
Light Green (Lithium Heparin PST)
Serum collected in a (red-top) or serum separator tube (SST) is also acceptable. Protect from light.
Room Temp=4 Hours; Refrigerated=7 Days; Frozen= 6 Months
0.5 mL Plasma or Serum
0.3 mL Plasma or Serum
** FOR ADD-ON REQUESTS, CHECK WITH CLS FOR SPECIMEN STABILITY**If Bilirubin Fractionated is requested have the MD order both Bilirubin Direct and Bilirubin Total.