| Methodology: |
Inductively Coupled Plasma/Mass Spectrometry
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| Performed: |
Tue, Fri
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| Reported: |
1-5 days
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| Specimen Required: |
Patient Prep: Diet, medication, and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, nonessential over-the-counter medications (upon the advice of their physician).
Collect: 24-hour or random urine collection. Specimen must be collected in a plastic container and should be refrigerated during collection. 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: 10 mL aliquot from a well-mixed collection at 2-8°C (Min: 5 mL). Submit specimen in two ARUP Trace Element-Free Transport Tubes (ARUP supply #43116).
Remarks: Record total volume and collection time interval on transport tube and test request form.
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 (collection to initiation of testing): Ambient: 1 week; Refrigerated (preferred): 2 weeks; Frozen: 1 year
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