| 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
Test Code10944
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 test requisition and on the urine container the total 24-hour urine volume.
Note: Tests performed on a specimen submitted in a non-trace element tube/container (non acid-washed) 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 resubmission with a trace element tube/container is recommended.
Note: Tests performed on a specimen submitted in a non-trace element tube/container (non acid-washed) 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 resubmission with a trace element tube/container is recommended.
Transport Container
Acid-washed or metal-free leak-proof container
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 4 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Atomic Absorption (AA)
Setup Schedule
Tues, Thurs
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-Chantilly VA |
| 14225 Newbrook Drive |
| Chantilly, VA 20151-2228 |
