Specimen Requirements

Container Type: Serum Separator (Gold Top)

Alternate Type: Red Top or LiHep (Green Top)
Specimen Type: Serum or Plasma
Preferred Volume: 1 mL
Emergency Minimum Volume: 0.3 mL
Specimen Processing: Separate serum or plasma from cells as soon as possible by centrifugation. Aliquot serum or plasma into a separate tube if parent tube does not have a gel barrier. Store and transport refrigerated; or if it'll be greater than 24 hours to the lab, store and transport frozen. One freeze/thaw acceptable.
 

Limitations: Samples should not be taken from patients receiving therapy with high biotin doses (i.e. >5 mg/day) until at least 8 hours following the last biotin administration.
Alternate Specimens: Lithium Heparin (Green Top), Plain Serum Tube (Red Top)

Stability: