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Arsenic, 24-Hour Urine
Test Code36433
CPT Codes
82175
Includes
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container
Patient Preparation
Avoid seafood consumption for 48 hours prior to collection
Minimum Volume
3 mL
Other Acceptable Specimens
Tests performed on a specimen submitted in a non-trace element tube or non acid-washed/non metal-free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that a re-submission with a trace element tube/container is recommended.
Instructions
Avoid worksite collection.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 48 hours
Refrigerated: 5 days
Frozen: 14 days
Refrigerated: 5 days
Frozen: 14 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Sat p.m.; Report available: Same day
Reference Range
≤80 mcg/L
Clinical Significance
Arsenic is widely distributed in the earth's crust. Arsenic is used in some pesticides and industrial applications. Arsenic toxicity can cause skin change, respiratory illness, nausea and vomiting, and other effects.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153