Arsenic Speciation, 24 Hour, Urine

Test Code

32125

Includes

Toxic Arsenic Concentration
Inorganic Arsenic (Toxic)
Methylated Arsenic (Toxic)
Organic Arsenic (Non-Toxic)
Total Arsenic Concentration

Preferred Specimen

10 mL urine collected in a plastic 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.

Transport Container

Plastic vial or a clean plastic aliquot container with no metal cap or glued insert

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 28 days

Methodology
Ion Chromatography Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

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

Mon-Fri

Reference Range

See Laboratory Report

Clinical Significance

Diagnosis of arsenic intoxication using 24 hour urine specimens.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.