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Test Code CDUCR Cadmium/Creatinine Ratio, Random, Urine


Specimen Required


Patient Preparation: High concentrations of gadolinium and iodine are known to interfere with most 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 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 urine a random urine specimen.

2. See Metals Analysis Specimen Collection and Transport for complete instructions.


Useful For

Detecting exposure to cadmium, a toxic heavy metal, using random urine specimens

Profile Information

Test ID Reporting Name Available Separately Always Performed
CDCU Cadmium/Creatinine Ratio, U No Yes
CRETR Creatinine, Random, U No Yes

Method Name

CDCU: Triple-Quadrupole Inductively Coupled Plasma Mass Spectrometry (ICP-MS/MS)

CRETR: Enzymatic Colorimetric Assay

Reporting Name

Cadmium/Creat Ratio, Random,U

Specimen Type

Urine

Specimen Minimum Volume

1.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  14 days

Reference Values

CADMIUM/CREATININE:

0-17 years: Not established

≥18 years: <0.6 mcg/g creatinine

 

CREATININE:

≥18 years: 16-326 mg/dL

Reference values have not been established for patients who are younger than 18 years of age.

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

82300

82570

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CDUCR Cadmium/Creat Ratio, Random,U 13471-8

 

Result ID Test Result Name Result LOINC Value
608902 Cadmium/Creatinine Ratio, U 13471-8
CRETR Creatinine, Random, U 2161-8

Day(s) Performed

Monday through Friday

Report Available

2 to 4 days