Chromium, Plasma

Test Code

3484X

CPT Codes
82495

Preferred Specimen

2 mL plasma collected in an EDTA (royal blue-top) tube

Minimum Volume

1 mL

Other Acceptable Specimens

Sodium heparin (royal blue-top) tube

Instructions

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

Methodology
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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Sets up 3 days a week.

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.

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.