A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Chromium, Urine
Test CodeCHMRU
Alias/See Also
11278
CPT Codes
82495, 82570
Includes
Creatinine
Preferred Specimen
2 mL urine collected in an acid-washed or metal-free plastic urine container
Minimum Volume
0.5 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 4 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Colorimetric (C) • 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: Mon-Sat; Report available: 1 day after receipt at the performing laboratory. Add two (2) days for transport.
Reference Range
Chromium, Urine | <2.0 ng/mL |
Chromium/Creatinine Ratio | <5.0 mcg/g creat |
ACGIH Biological Exposure Index
Increase during shift | 10 mcg/g cr |
End-of-shift at end-of-work-week | 30 mcg/g cr |
Creatinine, Random Urine
≤6 Months | 2-28 mg/dL | |
7-11 Months | 2-31 mg/dL | |
1-2 Years | 2-110 mg/dL | |
3-8 Years | 2-130 mg/dL | |
9-12 Years | 2-160 mg/dL | |
>12 Years Male | 20-320 mg/dL | |
>12 Years Female | 20-275 mg/dL |
Clinical Significance
Occupational exposure and exposure to environmental contamination of chromium may lead to toxicity. The need of chromium supplements is unproven. Supplements taken in excess can lead to toxicity.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Last Updated: May 4, 2023