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HelpOrder 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.
Useful For
Measurement of manganese as a part of a profile
Monitoring manganese exposure
Nutritional monitoring
Clinical trials
Special Instructions
Method Name
Only orderable as part of a profile. For more information see MNRCU / Manganese/Creatinine Ratio, Random, Urine.
Triple-Quadrupole Inductively Coupled Plasma Mass Spectrometry (ICP-MS/MS)
Reporting Name
Manganese/Creat Ratio, USpecimen 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
Method Description
The metal of interest is analyzed by triple-quadrupole inductively coupled plasma mass spectrometry.(Unpublished Mayo method)
Day(s) Performed
Monday
Performing Laboratory
Mayo Clinic Laboratories in Rochester
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