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Effective Jan. 5, 2026: Temporary Age-Based Visitor Restrictions at UNC Health for all inpatient and waiting areas throughout its inpatient hospitals.

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Selenium, Serum

Tube Tyoe = Dark blue top

Tube Type

Test ID   LAB579
EPIC Order
   SELENIUM SERUM 
CPT Code(s)   84255
Group/Individual Test   Individual
Laboratory   Core Referral Testing
Tube Station   30
Specimen Routine: 2.5 mL blood/navy blue plain tube ONLY/NO gold SST tubes; See Comments
  Micro: 0.6 mL blood
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time   3-5 days
Reference Range   See separate report
Comments
  • Do not collect specimen within 96 hours of administration of gadolinium, iodine or barium containing contrast media.
  • For Outreach clients: Spin specimen down, aliquot into "Mayo Metal Free" tube, and send to the lab refrigerated OR send blood to Outreach Lab via STAT courier for lab to receive the specimen within 3 hours of collection.

Reviewed by J. Carr on December 12, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514