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Gadolinium, 24 Hour, Urine
Test Code37317
Preferred Specimen
Urine collected in Sterile Cup
Patient Preparation
High concentrations of gadolinium and iodine are known to interfere with most metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Minimum Volume
0.3 mL
Other Acceptable Specimens
24-hour urine preserved with: 6N HCl, Toluene, or 6N HNO3
Instructions
1. Collect urine for 24 hours.
2. Refrigerate specimen within 4 hours of completion of 24-hour collection.
3. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.
Additional Information:
See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens in Special Instructions for multiple collections.
Notes: 24-Hour volume is required.
2. Refrigerate specimen within 4 hours of completion of 24-hour collection.
3. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.
Additional Information:
See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens in Special Instructions for multiple collections.
Notes: 24-Hour volume is required.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 28 days
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
FDA Status
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.
Setup Schedule
Set up: Thurs; Report available: 1-7 days
Reference Range
See Laboratory Report
Clinical Significance
Assessing chronic exposure and monitoring effectiveness of dialysis in 24-hour urine collection.
