Gadolinium, 24 HR, Urine
Order Code:
GDU
Test Summary
Assessing chronic exposure and monitoring effectiveness of dialysis in a 24-hour urine collection
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
N/A
Minimum Volume
0.2 mL
Instructions
24-Hour volume is required.
Collect urine for 24 hours in a non-metal collection container. Refrigerate specimen within 4 hours of completion of 24-hour collection. Aliquot urine into a metal-free plastic vial.
Collect urine for 24 hours in a non-metal collection container. Refrigerate specimen within 4 hours of completion of 24-hour collection. Aliquot urine into a metal-free plastic vial.
Patient Preparation
High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Storage
Plastic Vial
Transport Temperature
Refrigerated
Specimen Stability
- Room Temperature: 28 Days
- Refrigerated: 28 Days
- Frozen: 28 Days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
N/A
Order Code
GDU
EPIC (Premier) Code
LAB6506
Includes
N/A
CPT Code
- 83018
Billing Code
- 650019
CPT Statement
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. It has not been cleared or approved by the US Food and Drug Administration.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Mayo Clinic Laboratories -- Rochester Superior Drive
3050 Superior Drive NW
Rochester MN, 55901
3050 Superior Drive NW
Rochester MN, 55901
Department
Reference Testing
Reference Range
N/A
Setup Schedule / Expected Turnaround Time
Thursday; Report available: 2 - 8 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
N/A
Minimum Volume
0.2 mL
Instructions
24-Hour volume is required.
Collect urine for 24 hours in a non-metal collection container. Refrigerate specimen within 4 hours of completion of 24-hour collection. Aliquot urine into a metal-free plastic vial.
Collect urine for 24 hours in a non-metal collection container. Refrigerate specimen within 4 hours of completion of 24-hour collection. Aliquot urine into a metal-free plastic vial.
Patient Preparation
High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Storage
Plastic Vial
Transport Temperature
Refrigerated
Specimen Stability
- Room Temperature: 28 Days
- Refrigerated: 28 Days
- Frozen: 28 Days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
N/A
Result Information
Methodology
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Testing Laboratory
N/A
Reference Range
N/A
Setup Schedule / Expected Turnaround Time
Thursday; Report available: 2 - 8 days