Selenium, Serum or Plasma SELS
|Method(s)||Quantitative Inductively Coupled Plasma/Mass Spectrometry|
|Collect||One 6 mL royal blue (no additive) or royal blue (EDTA) top tube.|
|Transport||2 mL serum or plasma at 20-25ºC. (Min: 0.5 mL) Submit specimen in a Trace Element-Free Transport Tube.|
Do NOT allow serum/plasma to remain on cells. Centrifuge and pour off serum/plasma into a Trace Element-Free Transport tube within 2 hours.
If the sample is drawn and stored in the appropriate container, the trace element values do not change with time. Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Indefinitely
Separator tubes and samples that are not separated from the red cells or clot within 2 hours. Specimens collected in containers other than specified; specimens transported in containers other than specified.
|Preferred Specimen Collection Device(s)|