Selenium, Blood
Test Summary
Selenium (Se) is a key component of a number of functional selenoproteins required for normal health. The best known of these are the antioxidant glutathione peroxidase enzymes, which remove hydrogen and damaging lipid and phospholipid hydroperoxides generated in vivo by free radicals and other oxygen-derived species. If not removed, lipid hydroperoxides impair membrane structure and function and cause blood-clotting disturbances by decreasing the production of prostacyclin while increasing the production of thromboxane.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
2 mL whole blood collected in an EDTA (royal blue-top) trace metal tube
Minimum Volume
1 mL
Instructions
Carefully clean skin prior to venipuncture. Avoid worksite collection. Use the royal blue-topped "Trace-Metal" evacuated tube, which is available with EDTA
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 14 days
- Refrigerated: 30 days
- Frozen: 60 days
Limitations
N/A
Other Acceptable Specimens
Whole blood collected in and EDTA (lavender-top, non-trace metal)
Unacceptable Specimens
N/A
Order Code
SELENB
EPIC (Premier) Code
LAB3606
Includes
N/A
CPT Code
- 84255
Billing Code
- 670466
CPT Statement
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 the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute Valencia
27027 Tourney Road
Valencia CA, 91355
27027 Tourney Road
Valencia CA, 91355
Department
Reference Testing
Reference Range
| <20 years | Not Established |
| 20-50 years | 115-240 mcg/L |
| >50 years | 100-250 mcg/L |
Setup Schedule / Expected Turnaround Time
Tuesday, Friday morning; Report available: 3 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
2 mL whole blood collected in an EDTA (royal blue-top) trace metal tube
Minimum Volume
1 mL
Instructions
Carefully clean skin prior to venipuncture. Avoid worksite collection. Use the royal blue-topped "Trace-Metal" evacuated tube, which is available with EDTA
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 14 days
- Refrigerated: 30 days
- Frozen: 60 days
Limitations
N/A
Other Acceptable Specimens
Whole blood collected in and EDTA (lavender-top, non-trace metal)
Unacceptable Specimens
N/A
Result Information
Methodology
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Testing Laboratory
N/A
Reference Range
| <20 years | Not Established |
| 20-50 years | 115-240 mcg/L |
| >50 years | 100-250 mcg/L |
Setup Schedule / Expected Turnaround Time
Tuesday, Friday morning; Report available: 3 days