Test Code SELE Selenium, Serum
Additional Codes
Mayo Test ID |
---|
SES |
EPIC Code |
LAB579 |
Sunquest Code |
SELE |
Reporting Name
Selenium, SUseful For
Monitoring selenium replacement therapy
Method Name
Dynamic Reaction Cell-Inductively Coupled Plasma-Mass Spectrometry (DRC-ICP-MS)
Performing Laboratory

Specimen Type
SerumSpecimen Required
Patient Preparation: High concentrations of gadolinium, iodine, and barium are known to interfere with most metals tests. If gadolinium-, iodine, or barium-containing contrast media has been administered, a specimen should not be collected for at least 96 hours.
Supplies:
-Metal Free B-D Tube (No Additive), 6 mL (T184)
-Metal Free Specimen Vial (T173)
Collection Container/Tube: 6-mL Plain, royal blue-top Vacutainer plastic trace element blood collection tube
Submission Container/Tube: 7-mL Metal-free, screw-capped, polypropylene vial
Specimen Volume: 0.8 mL
Collection Instructions:
1. Allow the specimen to clot for 30 minutes; then centrifuge the specimen to separate serum from the cellular fraction.
2. Remove the stopper. Carefully pour specimen into a metal-free, polypropylene vial, avoid transferring the cellular components of blood. Do not insert a pipette into the serum to accomplish transfer, and do not ream the specimen with a wooden stick to assist with serum transfer.
3. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.
Specimen Minimum Volume
0.2 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 28 days | METAL FREE |
Ambient | 28 days | METAL FREE | |
Frozen | 28 days | METAL FREE |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |
Special Instructions
Reference Values
0-2 months: 45-90 ng/mL
3-6 months: 50-120 ng/mL
7-9 months: 60-120 ng/mL
10-12 months: 70-130 ng/mL
>1 year: 70-150 ng/mL
Day(s) Performed
Monday through Saturday
Test Classification
This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
84255
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
SES | Selenium, S | 5724-0 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
9765 | Selenium, S | 5724-0 |