Order Code GDCU Gadolinium/Creatinine Ratio, Urine
Specimen Required
Only orderable as part of a profile. For more information see GDUCR / Gadolinium/Creatinine Ratio, Random, Urine.
Useful For
Measurement of gadolinium concentration for assessing chronic exposure and monitoring effectiveness of dialysis using a random urine collection
Special Instructions
Method Name
Only orderable as part of a profile. For more information see GDUCR / Gadolinium/Creatinine Ratio, Random, Urine.
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Reporting Name
Gadolinium/Creat Ratio, USpecimen Type
UrineSpecimen Minimum Volume
1.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Urine | Refrigerated (preferred) | 28 days |
Ambient | 28 days | |
Frozen | 28 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitabilityReference Values
Only orderable as part of a profile. For more information see GDUCR / Gadolinium/Creatinine Ratio, Random, Urine.
0-17 years: Not established
≥18 years: <0.8 mcg/g creatinine
Method Description
The metal of interest is analyzed by inductively coupled plasma mass spectrometry.(Unpublished Mayo method)
Day(s) Performed
Thursday
Performing Laboratory

CPT Code Information
83018
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
GDCU | Gadolinium/Creat Ratio, U | 93854-8 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
615339 | Gadolinium/Creat Ratio, U | 93854-8 |