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Chromium, Urine : 11278
MessageIncludes Creatinine
Test Code
CHROMU or 11278
CPT Codes
82495, 82570
Transport Container
Preferred: 2 mL urine collected in an acid-washed or metal-free plastic urine container
Minimum: 0.5 mL
Alternative: 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.
Minimum: 0.5 mL
Alternative: 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 Temperature
Room temperature.
Specimen Stability
Room temperature: 4 days; Refrigerated: 14 days; Frozen: 30 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Setup Schedule
Tuesday, Thursday, Saturday
Report Available
2-5 days
Limitations
Laboratory test results should always be considered in the context of clinical observations. This test was developed and its performance characteristics determined by med fusion. It has not been cleared or approved by the U.S. Food and Drug Administration (FDA). The FDA has determined that such clearance or approval is not necessary. This test is used for clinical purposes. It should not be regarded as investigational for research. This laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA) as qualified to perform high complexity clinical laboratory testing.
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
med fusion
