Chromium

Chromium, Serum

Test Codes

EPIC: LAB1232035, Beaker: Chromium, Quest: 5248

Department

Send Outs

Specimen Collection Criteria

Collect: Draw one Royal Blue-top tube of blood and discard. Draw second Royal-Blue top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot Allow to clot in an upright position. Centrifuge and pour (do not pipette) the serum into a metal-free tube. Maintain room temperature (20-26°C or 68-78.8°F) prior to transport.

Preparation for Courier Transport

Transport: 2.0 mL serum, room temperature (20-26°C or 68-78.8°F). (Minimum: 1.0 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen Allow to clot in an upright position. Centrifuge and pour (do not pipette) the serum into a metal-free tube. Maintain room temperature (20-26°C or 68-78.8°F) prior to transport.

Transport: 2.0 mL serum, room temperature (20-26°C or 68-78.8°F). (Minimum: 1.0 mL) 

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 5 days
Refrigerated (2-8°C or 36-46°F): 10 days
Frozen (-20°C/-4°F or below): 21 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Tuesday, Thursday, Saturday.
Results are available in 3-5 days.

Reference Range

≤1.4 mcg/L

Test Methodology

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

Interpretation

By report.

Clinical Utility

Chromium, Serum – 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.

CPT Codes

82495

Contacts

Last Updated

12/17/2025