Heavy Metals Panel 4, Urine with Reflex to Arsenic Fractionated
Use
Useful in the assessment of acute and chronic exposure to arsenic, cadmium, mercury, and lead. If total arsenic concentration is elevated based on reference intervals, arsenic fractionated testing may be added to determine proportions of organic, inorganic, and methylated forms.
Special Instructions
If total arsenic concentration is elevated based on reference intervals, then Arsenic, Fractionated, will be added. Additional charges apply.
Limitations
Not provided.
New York Approved
Methodology
Mass Spectrometry
Biomarkers
Result Turnaround Time
1-5 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
Not provided
Minimum Volume
Not provided
Container
Trace element‑free transport tube; plastic container
Collection Instructions
24‑hour or random urine collected in plastic container; refrigerate during collection
Patient Preparation
Discontinue nutritional supplements, medications, vitamins; avoid shellfish and seafood for 48‑72 hours; avoid iodinated or gadolinium contrast media for at least 72 hours
Storage Instructions
Refrigerated; room temperature or frozen also acceptable
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 1 week |
| Refrigerated | 2 weeks |
| Frozen | 1 year |