Chromium, Serum

Message

SRHC Clients:

Outreach/Outpatients/Inpatients:

1 royal blue top no additive tube (with red line on label) for trace metal free collections
FIRST DRAW AND DISCARD A ROYAL BLUE TOP TUBE --- THEN DRAW A SECOND ROYAL BLUE TOP TUBE FOR TESTING
Send to SRHC laboratory same day as collected

Laboratory: Centrifuge and pour (do not pipette) serum into a trace element free vial

Test Code

LAB967

Quest Code

5248

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 blood 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 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 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

Set up: Sun-Fri; Report available: 1 day

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
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

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.