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Test Code MNU Manganese, 24 Hour, Urine

Reporting Name

Manganese, 24 Hr, U

Useful For

Monitoring manganese exposure

 

Nutritional monitoring

 

Clinical trials

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Urine


Specimen Required


Collection Container/Tube: Clean, plastic urine container with no metal cap or glued insert

Submission Container/Tube: Plastic, 10-mL urine tube (T068) or clean, plastic aliquot container with no metal cap or glued insert

Specimen Volume: 10 mL

Collection Instructions:

1. Collect urine for 24 hours.

2. Refrigerate specimen within 4 hours of completion of 24-hour collection.

3. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.

Additional Information:

1. 24-Hour volume is required.

2. See Urine Preservatives in Special Instructions for multiple collections.

3. High concentrations of gadolinium and iodine are known to interfere with most metals tests. If gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

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

Reference Values

<4.0 mcg/specimen

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

Day(s) and Time(s) Performed

Tuesday, Friday; 8 a.m.

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.

CPT Code Information

83785

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MNU Manganese, 24 Hr, U In Process

 

Result ID Test Result Name Result LOINC Value
8080 Manganese, 24 Hr, U 8203-2
TM26 Collection Duration 13362-9
VL24 Urine Volume 3167-4

Method Name

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

Urine Preservative Collection Options

Ambient

Yes

Refrigerated

Preferred

Frozen

Yes

6N HCl

No

50% Acetic Acid

No

Na2CO3

No

Toluene

No

6N HNO3

No

Boric Acid

No

Thymol

No