Test Details
Methodology
Inductively coupled plasma/mass spectrometry (ICP/MS)
Result Turnaround Time
2 - 4 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
This test is used to monitor selenium deficiency and occupational exposure.
Limitations
This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.
Specimen Requirements
Specimen
Serum or plasma
Volume
2 mL
Minimum Volume
0.6 mL (Note: This volume does not allow for repeat testing.)
Container
Royal blue-top (EDTA) tube or royal blue-top (without EDTA) tube
Collection Instructions
Separate serum or plasma immediately after the collection, and transfer to a certified metal-free transport tube (PeopleSoft No. 111166) for shipment to the laboratory.
Stability Requirements
| Temperature | Period |
|---|---|
| Room temperature | 28 days |
| Refrigerated | 28 days |
| Frozen | 28 days |
| Freeze/thaw cycles | Stable x4 |
Reference Range
| Age | Male | Female |
|---|---|---|
| 0 to 4 m | 25–111 | 25–111 |
| 5 to 10 m | 23–131 | 23–131 |
| 11 m to 1 y | 38–150 | 38–150 |
| 2 to 5 y | 59–168 | 59–168 |
| 6 to 12 y | 73–177 | 73–177 |
| 13 to 18 y | 81–188 | 81–188 |
| >18 y | 93–198 | 93–198 |
Environmental exposure: 79−326 μg/L
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Certified metal-free plastic transport tube not submitted
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 716910 | Selenium, Serum/Plasma | 5724-0 | 716910 | Selenium, Serum/Plasma | ug/L | 5724-0 |
| Order Code | 716910 | |||||
| Order Code Name | Selenium, Serum/Plasma | |||||
| Order Loinc | 5724-0 | |||||
| Result Code | 716910 | |||||
| Result Code Name | Selenium, Serum/Plasma | |||||
| UofM | ug/L | |||||
| Result LOINC | 5724-0 |