Chromium, Plasma [3484]

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

Alias/See Also

CPT Codes

Preferred Specimen
2 mL Plasma collected in an EDTA (royal blue top) tube

Minimum Volume
1 mL

Other Acceptable Specimens

Draw one royal blue-top tube of blood and discard. Draw second royal-blue top tube. Centrifuge and pour (do not pipette) the plasma into a metal-free tube.

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: 5 days
Refrigerated: 10 days
Frozen: 21 days

Inductively-Coupled Plasma/Mass Spectrometry (ICP/MS)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Setup: Tues, Thurs, Sat a.m.; Report available: 3-6 days

Reference Range
<3.6 mcg/L

Clinical Significance
Occupational exposure and exposure to environmental contamination of chromium may lead to toxicity. The need for chromium supplements is unproven. Supplements taken in excess can lead to toxicity.

Performing Laboratory
Quest Diagnostics Nichols Institute Valencia
27027 Tourney Road
Valencia, CA 91355-5386

Last Updated: November 29, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.