Test Directory

Test Code
SERBC
Test Name
Selenium, RBC
CPT Codes
84255
Expected Turnaround Time
7 - 12 days
Specimen and Container Info

Specimen Type: Red Blood Cells

Collection Container: Royal Blue Top (EDTA)

Desired Specimen Volume: 1 mL

Collection Instructions
  1. Collect a royal blue top (EDTA) tube via venipuncture.
Processing and Submission Instructions
  1. Separate plasma from cells within two hours of collection.
  2. Discard plasma and leave red blood cells in the original collection container.
  3. Transport 1 mL of red blood cells in the original container with the original royal blue cap.
  4. Submit only the RBCs to the laboratory.
Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

30 days

Refrigerated

30 days

Causes for Rejection
  • Specimen received frozen
  • Plasma
Methodology
Inductively Coupled Plasma - Mass Spectrometry (ICP- MS)
Reference Intervals

 See patient report.

Limitations

Specimens for elemental testing should be collected in certified metal-free containers. Elevated results for elemental testing may be caused by environmental contamination at the time of specimen collection and should be interpreted accordingly. It is recommended that unexpected elevated results be verified by testing another specimen in a trace metal free container.

Reference Lab
Labcorp Of America Holdings
Testing Schedule
Varies