A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Selenium
MessageSPIN DOWN WITHIN AN HOUR OF COLLECTION AND POUR OFF
Test Code
5507
Alias/See Also
LAB579
CPT Codes
84255<br><strong>This test is not available for New York patient testing at med fusion-Lewisville, TX.</strong><br><strong>Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Chantilly, VA for testing.</strong>
Preferred Specimen
2 mL serum collected in a no additive (royal blue-top) tube in a trace-element package
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: EDTA (royal blue-top) tube 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).
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
No additive (royal blue-top) tube in trace-element package
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
This test is not available for New York patient testing at med fusion-Lewisville, TX.
Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Chantilly, VA for testing.
Setup Schedule
Tues, Fri
Report Available
2-6 days
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
med fusion |
2501 South State Hwy 121, Suite 1100 |
Lewisville, TX 75067-8188 |