Chromium, Serum

Message
*Discard first royal blue tube and draw second tube for send out.


Test Code
5248


Alias/See Also
LAB967


CPT Codes
82495

Preferred Specimen
2 mL serum collected in a no additive (royal blue-top) tube


Minimum Volume
1 mL


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.

Note: Tests performed on a specimen submitted in a non-trace element tube or non acid-washed/non metal-free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that a re-submission with a trace element tube/container is recommended.


Transport Container
Acid-washed or metal-free tube


Transport Temperature
Room temperature


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.

This test is not available for New York patient testing at med fusion-Lewisville, TX.
Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Chantilly, VA for testing.

Setup Schedule
Tues, Thurs, Sat


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 can lead to toxicity.


Performing Laboratory
med fusion
2501 South State Hwy 121, Suite 1100
Lewisville, TX 75067-8188




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.