Heavy Metals Panel 3, Urine with Reflex to Arsenic Fractionated HMETU
|Method(s)||Inductively Coupled Plasma/Mass Spectrometry|
|Collect||24-hour or random urine collection. Specimen must be collected in a plastic container and should be refrigerated during collection.|
8 mL aliquot from a well-mixed 24-hour or random at 2-8°C. (Min: 2 mL) Submit specimen in two Trace Element-Free transport tubes.
|Remarks||Record total volume and collection time interval on transport tube and on test request form.|
Ambient: 1 week: Refrigerated: 2 weeks; Frozen: 1 year
Urine collected within 48 hours after administration of a gadolinium (Gd) containing contrast media (may occur with MRI studies). Acid preserved urine.
|CPTCode||82175 Arsenic; 83655 Lead; 83825 Mercury; if reflexed 82175 arsenic fractionated|
Patient prep: Diet, medication, and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications (upon the advice of their physician), and avoid shellfish and seafood for 48 to 72 hours. High concentrations of iodine may interfere with elemental testing. Collection of urine specimens from patients receiving iodinated or gadolinium-based contrast media should be avoided for a minimum of 72 hours post-exposure. Collection from patients with impaired kidney function should be avoided for a minimum of 14 days post-contrast media exposure.
|Preferred Specimen Collection Device(s)|