Specimen Requirements

Serum

Container: SST tube or Li Hep tube

Specimen Collection: 1 mL (minimum 0.5 mL)

1. Allow specimen to clot completely if  a serum tube (SST) was used.
2. Separate serum (SST) or plasma (Lithium Heparin) from cells within 24 hours and transport refrigerated. If red top tube is collected, separate serum from cells within 2 hours and place in separate plastic tube.
3. Properly label tube with patient's name, DOB, requisition number and type of tube, i.e. Red.