Arsenic Occupational Exposure, with Reflex, Random, Urine
Use
Preferred screening test for detection of occupational exposure to arsenic in random urine specimens ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/Overview/608895?utm_source=openai))
Special Instructions
If total arsenic concentration is 10 mcg/L or greater, then speciation (Arsenic Speciation, Random, U) will be performed at an additional charge ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/Overview/608895?utm_source=openai))
Limitations
Patient should not eat seafood for 48 hours prior to collection; specimens should not be collected for 96 hours following administration of gadolinium- or iodine-containing contrast media; recommended sampling time is at end of work week ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/Overview/608895?utm_source=openai))
Methodology
Mass Spectrometry (LC-MS/MS)
Biomarkers
LOINC Codes
- 13463-5
- 2161-8
- 13463-5
- 5586-3
Result Turnaround Time
2-4 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
6 mL
Minimum Volume
3 mL
Container
Clean, plastic urine container with no metal cap or glued insert; submission in plastic vial or clean, plastic aliquot container with no metal cap or glued insert ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/Overview/608895?utm_source=openai))
Collection Instructions
Collect a random urine specimen; for metals analysis see Metals Analysis Specimen Collection and Transport; recommended end-of-work-week timing; no seafood 48 hours prior; no gadolinium or iodine contrast 96 hours prior ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/Overview/608895?utm_source=openai))
Patient Preparation
No seafood 48 hours prior; no gadolinium- or iodine-containing contrast media for 96 hours prior; recommended end-of-work-week collection ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/Overview/608895?utm_source=openai))
Causes for Rejection
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/Overview/608895?utm_source=openai))
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 28 days (preferred) ([testcatalog.org](https://www.testcatalog.org/show/ASUOE?utm_source=openai)) |
| Frozen | 28 days ([testcatalog.org](https://www.testcatalog.org/show/ASUOE?utm_source=openai)) |