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Laboratory Test Directory



Name Method Department Units
Selenium Quantitative Inductively Coupled Plasma-Mass Spect
Send Out ug/L

Specimen Requirements

Plasma Spun, Serum Spun

Container Type Container Size Specimen Volume

Royal blue (plain, no anticoagulant)

7 mL 2 mL

Royal blue (EDTA)

10 mL 2 mL

Room temperature - Indefinite month(s)
Refrigerated - Indefinite month(s)
Frozen - Indefinite month(s)

Specimen Preparation

  • Centrifuge within 2 hours, remove plasma/serum then transfer to an ARUP Trace Element-Free Transport Tube and refrigerate

Reasons for Rejection

  • Wrong collection tube
  • Collected in tube with gel separator
  • Not centrifuged within time frame


Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications (upon the advice of their physicians). Transfer 2 mL serum or plasma to an ARUP Trace Element-Free Transport Tube.

CPT Code

  • 84255