Arsenic, Total Inorganic – Urine
Use
This test measures total inorganic arsenic in urine, enabling assessment of exposure to inorganic (toxic) arsenic species, which may indicate environmental or occupational exposure or suspected arsenic toxicity.
Special Instructions
Specimen must be urine—usually 24‑hour collection; refer to standard trace‑metal urine handling instructions, including avoiding seafood prior to collection and use of trace‑metal clean containers.
Limitations
Developed and validated by Quest Diagnostics; it is not cleared or approved by the U.S. Food and Drug Administration (FDA). Interpretation may be affected by recent seafood consumption.
Methodology
Mass Spectrometry
Biomarkers
Result Turnaround Time
7-12 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
4 mL requested
Minimum Volume
1.9 mL
Container
Plastic container (acid‑washed or trace metal‑free) or plastic container (preservative‑free)
Collection Instructions
24‑hour urine, unpreserved preferably; must be refrigerated immediately; acceptable preservatives: trace metal‑free HCl or HNO₃ (0.1 mL of 12 M acid/10 mL urine)
Patient Preparation
Avoid seafood consumption for 48 hours prior to collection
Storage Instructions
Refrigerated for transport
Causes for Rejection
Received at room temperature
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 5 day(s) |
| Refrigerated | 28 day(s) |
| Frozen | 28 day(s) |