Q135

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  - 8 ml urine (Min. 1 ml). 

Specimen Preparation:  ARUP studies indicate that refrigeration of urine alone, during and after collection, preserves specimens adequately, if tested within 14 days of collection

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. Specimens contaminated with blood or fecal material. 

Remarks: Record total volume and collection time interval on transport tube and on test request form. 

Stability: Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 1 year

Note:   * This test is approved for all states. * 

Performing Lab 

ARUP Laboratories.