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, 24-Hour Urine [10944X]
Test CodeCH24U
Alias/See Also
13786; 10944X
CPT Codes
82495, 82570
Includes
Creatinine
CPT code 81050 may be added at an additional charge for volume measurement
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
2 mL of a 24-hour urine collected and submitted in an acid-washed or metal-free leak-proof container
Minimum Volume
0.5 mL
Instructions
Please specify on the request form and on the urine container the total 24-hour urine volume.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 4 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Atomic Absorption (AA)
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: Mon-Sat; Report available: 1-2 days after receipt at the performing laboratory. Add two (2) days for transport.
Reference Range
Chromium | <2.0 ng/mL |
Chromium/Creatinine Ratio | <5.0 mcg/g cr |
Creatinine, 24 Hour Urine | |
<3 Years | Not established |
3-8 Years | 0.10-0.80 g/24 h |
9-12 Years | 0.20-1.40 g/24 h |
13-17 Years | 0.40-1.90 g/24 h |
>17 Years | 0.50-2.15 g/24 h |
Performing Laboratory
Quest Diagnostics Nichols Institute |
14225 Newbrook Drive |
Chantilly, VA 20153 |
Last Updated: August 18, 2023