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Test Code CDCU Cadmium/Creatinine Ratio, Urine


Specimen Required


Only orderable as part of profile. For more information, see:

-CDUCR / Cadmium/Creatinine Ratio, Random, Urine

-HMUCR / Heavy Metal/Creatinine Ratio, with Reflex, Random, Urine


Useful For

Detecting exposure to cadmium using random urine specimens

Method Name

Only orderable as part of profile. For more information, see:

-CDUCR / Cadmium/Creatinine Ratio, Random, Urine

-HMUCR / Heavy Metal/Creatinine Ratio, with Reflex, Random, Urine

 

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

Reporting Name

Cadmium/Creatinine Ratio, U

Specimen Type

Urine

Specimen Minimum Volume

1.5 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 profile. For more information, see:

-CDUCR / Cadmium/Creatinine Ratio, Random, Urine

-HMUCR / Heavy Metal/Creatinine Ratio, with Reflex, Random, Urine

 

0-17 years: Not established

≥18 years: <0.6 mcg/g Creatinine

Interpretation

Cadmium excretion above 3.0 mcg/g creatinine indicates significant exposure to cadmium.

 

Results above15 mcg/g creatinine are considered indicative of severe exposure.

Clinical Reference

1. de Burbure C, Buchet JP, Leroyer A, et al. Renal and neurologic effects of cadmium, lead, mercury, and arsenic in children: evidence of early effects and multiple interactions at environmental exposure levels. Environ Health Perspect. 2006;114(4):584-590

2. Schulz C, Angerer J, Ewers U, Heudorf U, Wilhelm M; Human Biomonitoring Commission of the German Federal Environment Agency. Revised and new reference values for environmental pollutants in urine or blood of children in Germany derived from the German Environmental Survey on Children 2003-2006(GerESIV). Int J Hyg Environ Health. 2009;212(6):637-647

3. Occupational Safety and Health Administration. Cadmium exposure and control. Updated 09/02/2008. Accessed August 30, 2024. US Department of Labor Available at osha.gov/SLTC/cadmium/evaluation.html

4. Agency for Toxic Substances and Disease Registry. Toxicological profile for cadmium. US Department of Health and Human Services. September 2012. Available at www.atsdr.cdc.gov/ToxProfiles/tp5.pdf

5. Strathmann FG, Blum LM. Toxic elements. In: Rifai N, Chiu RWK, Young I, Burnham CD, Wittwer CT, eds. Tietz Textbook of Laboratory Medicine. 7th ed. Elsevier; 2023:chap 44

6. Zhang H, Reynolds M. Cadmium exposure in living organisms: A short review. Sci Total Environ. 2019;678:761-767. doi:10.1016/j.scitotenv.2019.04.395

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.

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CDCU Cadmium/Creatinine Ratio, U 13471-8

 

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

Day(s) Performed

Monday through Friday

Report Available

2 to 4 days

CPT Code Information

82300