Serum or Plasma
Monday, Wednesday, Friday
2 mL Blood
Light Green (Lithium Heparin PST)
SST (yellow) or Red-top tubes also acceptable.
1 mL Serum
0.5 mL Serum
Centrifuge and separate. Deliver directly to chemistry during day-shift Monday, Wednesday, and Friday. Any other time, place specimens in the refrigerator near processing.