Test Overview
Test Methodology
Dynamic Reaction Cell-Inductively Coupled-Mass Spectrometry
Test Usage
Useful for detecting occupational exposure to chromium.
Reference Range *
For adults > or = 18: 0.1 - 1.2 mcg/24 hours
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Tuesday, Wednesday, Friday
Analytic Time
2 - 5 days
Soft Order Code
CR-U
MiChart Code
Chromium, Urine
Synonyms
- CHROMIUM, URINE
- Cr (Chromium), Urine
- CR-U
Laboratory
Sendout
Reference Laboratory
Mayo CRU
Section
Special Testing
Specimen Requirements
Collection Instructions
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.
Contraindications
High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Normal Volume
10 mL aliquot of 24 hour urine collection
Minimum Volume
0.4 mL aliquot of 24 hour urine collection
Additional Information
Test sent to Mayo Medical Laboratories.
Billing
CPT Code
82495
Fee Code
32073
LOINC
5624-2