Test Code MNCU Manganese/Creatinine Ratio, Urine
Specimen Required
Only orderable as part of a profile. For more information see MNRCU / Manganese/Creatinine Ratio, Random, Urine.
Patient Preparation: High concentrations of gadolinium and iodine are known to potentially interfere with most inductively coupled plasma mass spectrometry-based metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours
Supplies: Urine Tubes, 10 mL (T068)
Collection Container/Tube: Clean, plastic urine collection container with no metal cap or glued insert
Submission Container/Tube: Plastic, 10-mL urine tube or clean, plastic aliquot container with no metal cap or glued insert
Specimen Volume: 3 mL
Collection Instructions:
1. Collect a random urine specimen.
2. See Metals Analysis Specimen Collection and Transport for complete instructions.
Specimen Type
UrineSpecimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Urine | Refrigerated (preferred) | 28 days |
Frozen | 28 days | |
Ambient | 7 days |
Reference Values
Only orderable as part of a profile. For more information see MNRCU / Manganese/Creatinine Ratio, Random, Urine.
0-17 years: Not established
≥18 years: <4.0 mcg/g creatinine
Day(s) Performed
Monday
Report Available
2 to 8 daysSpecimen Retention Time
14 daysPerforming Laboratory

CPT Code Information
83785
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Specimen Minimum Volume
See Specimen Required