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Selenium, Serum

Additional Codes

Primary ID

Epic Code Mayo Test ID

SELEN

LAB3132 SES

 

Reporting Name

Selenium, S

Useful For

Monitoring selenium replacement therapy

Method Name

Dynamic Reaction Cell-Inductively Coupled Plasma-Mass Spectrometry (DRC-ICP-MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen 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 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 Mayo 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 Mayo 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

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) and Time(s) Performed

Monday; 2 p.m.

Tuesday through Friday; 5 p.m.

Saturday; 2 p.m.

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

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 U.S. Food and Drug Administration.

Analytic Time

1 day

Specimen Retention Time

14 days

NY State Approved

Yes