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Test Code SEWB Selenium, Blood


Ordering Guidance


This test can be used to assess tissue stores of selenium. For assessment of recent intake, order SES / Selenium, Serum.



Specimen Required


Patient Preparation: High concentrations of gadolinium and iodine are known to interfere with most inductively coupled plasma mass spectrometry-based metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for at least 96 hours.

Container/Tube: Royal blue top (EDTA) plastic trace element blood collection tube

Specimen Volume: 0.8 mL

Collection Instructions:

1. See Metals Analysis Specimen Collection and Transport for complete instructions.

2. Send whole blood specimen in original tube. Do not aliquot.


Useful For

Assessment of tissue stores of selenium

Method Name

Triple-Quadrupole Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Reporting Name

Selenium, B

Specimen Type

Whole blood

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole blood Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK
Microtainer Reject

Reference Values

0-17 years: Not established

≥18 years: 150-241 ng/mL

Interpretation

Ultimately, any metal ion concentration value needs to be interpreted in relation to the overall clinical scenario including symptoms, physical findings, and other diagnostic results when determining further actions.

Day(s) Performed

Monday

Report Available

2 to 8 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

84255

LOINC Code Information

Test ID Test Order Name Order LOINC Value
SEWB Selenium, B 5722-4

 

Result ID Test Result Name Result LOINC Value
65600 Selenium, B 5722-4