Sign in →

Test Code SEWB Selenium, Blood


Advisory Information


This test can be used to assess tissue stores of selenium. For routine assessment of selenium deficiency or toxicity, the preferred test is selenium urine.

 

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 metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.

Supplies: Metal Free B-D Tube (EDTA), 6 mL (T183)

Container/Tube: Royal blue-top (EDTA)

Specimen Volume: 0.8 mL

Collection Instructions:

1. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.

2. Send specimen in original tube.


Secondary ID

65600

Useful For

Assessment of tissue stores of selenium

Method Name

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

Day(s) and Time(s) Performed

Monday, 8 a.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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.

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