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Epic Code LAB1231752 Selenium (Se), Serum

Important Note

Patients who recently obtained an MRI with contrast dye are not recommended to have a selenium level collected.

Test Name Alias

Se | Se Serum

Interface Order Alias

1231752

Quick Collect

METAL FREE + S/POMF/R

 

ROYAL BLUE TRACE ELEMENTS

Clinical Information

Useful for

  • Monitoring selenium replacement therapy

Specimen Type

Blood (Serum)

Collection Instructions

Specimen Collection: Blood

 

Container(s): 6-mL plain, royal blue-top vacutainer trace element serum collection tube 

Link: Which royal blue tube should I use?

 

Preferred Volume to Collect: 6.0 mL

Minimum Volume to Collect: 2.0 mL

Neonate Volume to Collect: 2.0 mL

Capillary collect ok? No

Microtainer acceptable: No

 

Collection Instructions:

  • Avoid hemolysis.
  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 30 minutes – See Processing Instructions.

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

  • Processed Specimen: Serum
  • Centrifuge/Spin: Yes
  • Aliquot: Yes
  • Processing Instructions:
  1. Allow the specimen to clot for 30 minutes
  2. Centrifuge the specimen to separate serum from the cellular fraction.
  3. Serum must be removed from the cellular fraction within 4 hours of specimen collection
  4. Remove the stopper.
  5. Carefully transfer with plastic pipette the serum specimen into a metal free vial, avoiding transfer of the cellular components of blood
  6. Do not ream the specimen with a wooden stick to assist with serum transfer.
  • Minimum plasma/serum volume: 1.0 mL
  • Transport Temperature: Refrigerated

Specimen Transport Temperature

Serum: Refrigerated

Specimen Stability

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days METAL FREE
  Ambient  7 days METAL FREE
  Frozen  7 days METAL FREE

Lab Retention: 7 days

Test Frequency

Test ran 3 days a week, average turn-around time 1-3 days

Reference Range

Age Reference Range
0 up to 3 Months 45-90 mcg/L
3 Months up to 7 Months 50-120 mcg/L
7 Months up to 10 Months 60-120 mcg/L
10 Months up to 13 Months 70-130 mcg/L
13 Months up to 18 Years 70-150 mcg/L
18 Years up to Unspecified 110-165 mcg/L

 

Performing Department

Toxicology

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

Inductively Coupled Plasma-Mass Spectrometer (ICP-MS)

This test was developed, and its performance characteristics determined by Corewell Health Toxicology Laboratory.  It has not been cleared or approved by the FDA.  The laboratory is regulated under CLIA as qualified to perform high-complexity testing.  This test is used for clinical purposes.  It should not be regarded as investigational or for research.

CPT

84255 

CDM Code

3018425501

Epic Test ID

1230102946

LOINC

5724-0

Reviewed Date

2/28/2024