Chromium, Serum [5248X]

Test Code
CHROM (5248X)

Quest Code
5248X

CPT Codes
82495

Preferred Specimen
2 mL serum collected in a trace metal free (royal blue-top) tube

Minimum Volume
1 mL

Other Acceptable Specimens
Serum collected in a no additive (royal blue-top) tube

Instructions
Draw one royal blue-top tube of blood and discard. Draw second royal-blue top tube. Allow to clot in an upright position. Centrifuge and pour (do not pipette) the serum into a metal-free tube.

Tests performed on a specimen submitted in a nontrace element tube or nonacid-washed/nonmetal-free container may not accurately reflect the patient's level. If a nontrace element tube/container is received, it will be accepted for testing; however, elevated results are reported with the message that resubmission with a trace element tube/container is recommended.

Transport Container
Acid-washed or metal-free vial

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
Set up: Tues, Thu, Sat

Report Available
2 to 5 Day(s)

Reference Range
≤1.4 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 may also lead to Chromium toxicity.

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



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.