Selenium

Test Code
SELEQ


Alias/See Also

LAB579



CPT Codes
<p>84255</p>

Preferred Specimen

Patient Preparation: Patient should refrain from taking vitamins or mineral supplements at least three days prior to specimen collection.

Specimen Type: Serum

Collection Container/TypePlain, royal blue-top Vacutainer plastic trace element blood collection tube

Submission Container/Tube: Metal-free, screw-capped plastic vial

Specimen Volume: 2 mL

Collection Instructions: 

  1. Carefully clean skin prior to venipuncture.
  2. Use the royal blue-top ""Trace Metal"" evacuated tube.
  3. Centrifuge serum specimens within 1 hour of collection.
  4. Immediately separate serum specimens from the cells into trace element collection vial(s).

Additional Information:

  • Avoid worksite collection
  • Avoid hemolysis
  • Do not use gel barrier tubes

 

Specimen Type: Plasma

Collection Container/Type: Royal blue-top (EDTA) plastic trace element blood collection tube

Submission Container/Tube: Metal-free, screw-capped plastic vial

Specimen Volume: 2 mL

Collection Instructions: 

  1. Carefully clean skin prior to venipuncture.
  2. Use the royal blue-top ""Trace Metal"" evacuated tube.
  3. Centrifuge plasma specimens within 1 hour of collection.
  4. Immediately separate plasma specimens from the cells into trace element collection vial(s).

Additional Information:

  • Avoid worksite collection
  • Avoid hemolysis
  • Do not use gel barrier tubes


Patient Preparation
Patient should refrain from taking vitamins or mineral supplements at least three days prior to specimen collection.

Minimum Volume

0.7 mL



Other Acceptable Specimens
Plasma collected in an EDTA or sodium heparin (royal blue-top) tube


Instructions
Carefully clean skin prior to venipuncture. Avoid worksite collection. Avoid hemolysis. Use the royal blue-top "Trace Metal" evacuated tube, which is available with EDTA, heparin or no additives. Do not use gel barrier tubes. Centrifuge serum or plasma specimens within 1 hour of collection. Immediately separate serum and plasma specimens from the cells into trace element collection vial(s).


Transport Container
Plastic screw-cap vial, trace element


Transport Temperature
Refrigerated (cold packs)


Specimen Stability

Room temperature: 8 hours

Refrigerated: 14 days

Frozen: 30 days



Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis



Methodology

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.



FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Mon-Sat; Report available: Same day


Report Available

Same day



Reference Range
<2 Years 16-71 mcg/L
2-4 Years 40-103 mcg/L
4-16 Years 55-134 mcg/L
Adult 63-160 mcg/L


Clinical Significance
Selenium is an element of parenteral nutrition. Monitoring the Selenium concentration is useful in assessing parenteral nutrition, especially recent intake. Concentrations are also monitored in children with propionic acidemia who require special diets with supplements.


Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153


Last Updated: April 1, 2019


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.