1 - 4 days
Test Updated:
CHROMIUM, URINE
Cr (Chromium), Urine
CR-U
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Test Overview
Dynamic Reaction Cell-Inductively Coupled-Mass Spectrometry
Useful for detecting occupational exposure to chromium.
<8.0 mcg/24 hours
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect 24 hour urine in a clean, plastic container with no metal cap or glued insert and no preservative. Aliquot urine into a clean, plastic container with no metal cap or glued insert and refrigerate within 4 hours of completion of collection. Record 24 hour urine volume and collection dates/times on the request form. Collection must take place prior to or 48 hours after administering gadolinium-containing contrast media.