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Test Code ZNCU Zinc/Creatinine Ratio, Urine


Specimen Required


Only orderable as part of a profile. For more information see ZNUCR / Zinc/Creatinine Ratio, Random, Urine.

 

Patient Preparation: High concentrations of barium are known to interfere with most metal tests. If barium-containing contrast media has been administered, the specimen should not be collected for at least 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 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 zinc concentration as a part of identifying the cause of abnormal serum zinc concentrations using a random urine specimen

Method Name

Only orderable as part of a profile. For more information see ZNUCR / Zinc/Creatinine Ratio, Random, Urine.

 

Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Reporting Name

Zinc/Creat Ratio, U

Specimen Type

Urine

Specimen Minimum Volume

2 mL

Specimen Stability Information

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

Reference Values

Only orderable as part of a profile. For more information see ZNUCR / Zinc/Creatinine Ratio, Random, Urine.

 

Not applicable

Day(s) Performed

Monday, Thursday

Report Available

2 to 5 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

84630

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ZNCU Zinc/Creat Ratio, U 13473-4

 

Result ID Test Result Name Result LOINC Value
615260 Zinc/Creat Ratio, U 13473-4