Test Directory

Clear All
Test Code
SELEN
Test Name
Selenium
CPT Codes
84255
Expected Turnaround Time
2 - 4 days
Clinical Utility

This test is used to monitor selenium deficiency and occupational exposure.
Specimen and Container Info

Specimen Type: Serum

Alternate Specimen Type: Plasma

Collection Container: Royal Blue (No Additive)

Alternate Collection Container: Royal Blue (EDTA)

Desired Specimen Volume: 2 mL
Collection Instructions
  1. Collect a royal blue top (no additive) tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells immediately after collection.
  2. Transfer 2 mL of serum to a certified metal-free transport tube.
Transport Instructions

Transport to the laboratory at room temperature.  
Stability Requirements

Room Temperature

28 days

Refrigerated

28 days

Frozen

28 days

Freeze/Thaw Cycles

 Stable x3
Methodology
Inductively Coupled Plasma - Mass Spectrometry (ICP- MS)
Reference Intervals

See patient report.
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 4 times per week
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
© 2026 HNL Lab Medicine. All rights reserved.