Test Details
Mnemonic
UCRRA
Ordering Code
3401023
CPT-4 Code(s)
82570, 82495
Specimen Information
Collect
Random urine in acid washed container.
Specimen Preparation
Send 2.0 mL urine collected in an acid washed screw capped plastic container. Call lab for container.
Alternate Specimen
Urine collected in a metal free plastic container.
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
24 hour urine collection
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)
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
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
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
Performing Laboratory
Quest
New York DOH Approval Status
Yes