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Arsenic Speciation, 24 Hour, Urine
Test Code32125
CPT Codes
82175
Preferred Specimen
10 mL urine collected in a collection container
Patient Preparation
1. Patient should not eat seafood for a 48-hour period prior to start of collection.
2. 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 at least 96 hours.
Minimum Volume
3 mL
Instructions
1. Collect urine for 24 hours
2. Refrigerate specimen within 4 hours of completion of 24-hour collection
3. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.
Additional Information: See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens in Special Instructions for multiple collections
2. Refrigerate specimen within 4 hours of completion of 24-hour collection
3. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.
Additional Information: See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens in Special Instructions for multiple collections
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Methodology
Inductively Coupled Plasma-Mass Spectrometry • Ion Chromatography
FDA Status
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.
Setup Schedule
Monday-Friday Morning Report available: 2 Days
Reference Range
See Laboratory Report
Clinical Significance
Diagnosis of arsenic intoxication using 24 hour urine specimens
