Selenium, RBCs
Also known as: SELENI RBC
Use
The Selenium, RBCs test is used for the assessment of selenium levels in the red blood cells to evaluate tissue stores. It is a relevant test for determining selenium deficiency or toxicity, offering insights into long-term selenium status in the patient.
Special Instructions
This test is performed at a non-ARUP laboratory. Separate specimens must be submitted when multiple tests are ordered.
Limitations
The test results may be affected by environmental contamination during specimen collection. Elevated selenium results should be verified by testing another sample collected in a certified trace metal-free container.
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 5723-2
Result Turnaround Time
8-11 days
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
1 mL
Minimum Volume
0.4 mL
Container
Royal blue (trace metal-free EDTA)
Collection Instructions
Separate cells ASAP or within 2 hours of collection. Leave RBCs in the original container and replace stopper. Transport RBCs in the original tube.
Storage Instructions
Refrigerated; also acceptable at room temperature.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 1 month |
| Refrigerated | 1 month |
| Frozen | Unacceptable |