Test Directory

Test Code
SELWB
Test Name
Selenium, Whole Blood
CPT Codes
84255
Expected Turnaround Time
2 - 4 days
Clinical Utility

This test is used to monitor exposure to selenium and detect selenium deficiency.

Specimen and Container Info

Specimen Type: Whole Blood

Collection Container: Royal Blue (EDTA)

Desired Specimen Volume: 2 mL

Collection Instructions
  1. Collect a royal blue top (EDTA) tube via venipuncture.
Processing and Submission Instructions
  1. Submit 2 mL of whole blood in the original collection container.
Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

28 days

Refrigerated

28 days

Frozen

28 days

Freeze/Thaw Cycles

Stable x4

Causes for Rejection
  • Clotted specimen
Methodology
Inductively Coupled Plasma - Mass Spectrometry (Icp- Ms)
Reference Intervals

See patient report.

Reference Lab
Labcorp Of America Holdings
Testing Schedule
Varies