Q231

Test CODE NAME

Q231

Selenium, Urine

Methodology: Quantitative Inductively Coupled Plasma-Mass Spectrometry
Performed: Tue, Fri
Reported: 2-7 days
Specimen Required: Patient Preparation: 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). High concentrations of iodine may interfere with elemental testing. Abstinence from iodine-containing medications or contrast agents for at least 1 month prior to collecting specimens for elemental testing is recommended. 
Collect: 24-hour OR Random Urine collection - 8 ml urine. 
Specimen must be collected in a plastic container. 
Specimen Preparation: Record total volume and collection time interval on transport tube and on test request form. Storage/Transport Temperature: Refrigerated. Also acceptable: Room temperature or frozen. 
Unacceptable Conditions: Urine collected within 48 hours after administration of a gadolinium (Gd) containing contrast media (may occur with MRI studies). Acid preserved urine. 
Stability: Ambient: 1 week; Refrigerated: 1 weeks; Frozen: 1 month
Note: This test is approved for NY . 
Performing Lab 
ARUP Laboratory
CPT Code(s): 84255