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Test Code MNCRU Manganese/Creatinine Ratio, Random, Urine

Reporting Name

Manganese/Creat Ratio, Random, U

Useful For

Monitoring manganese exposure

 

Nutritional monitoring

 

Clinical trials

Profile Information

Test ID Reporting Name Available Separately Always Performed
MNCR Manganese/Creat Ratio, U No Yes
CDCR Creatinine Conc No Yes

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Urine


Specimen Required


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.

Collection Container/Tube: Clean, plastic urine collection container

Submission Container/Tube: Plastic, 10-mL urine tube (T068) 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 Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.


Specimen Minimum Volume

0.8 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  7 days

Reference Values

<4.0 mcg/g creatinine

Reference values have not been established for patients that are <18 years of age.

Day(s) and Time(s) Performed

Thursday

CPT Code Information

83785 Manganese Concentration

82570 Creatinine Concentration

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MNCRU Manganese/Creat Ratio, Random, U 27367-2

 

Result ID Test Result Name Result LOINC Value
CDCR Creatinine Conc 2161-8
32867 Manganese/Creat Ratio, U 27367-2

Method Name

MNCR: Dynamic Reaction Cell-Inductively Coupled Plasma-Mass Spectrometry (DRC-ICP-MS)

CDCR: Enzymatic Colorimetric Assay

Test Classification

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.