Useful For:
Note: Due to the significant variation in the rate of secretion over the course of a day, a 24-hour collection is preferred. If a random urine specimen is submitted, the iodine/creatinine ratio will be performed.
Iodine, 24 Hour Urine: Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Iodine/Creatinine Ratio, Random Urine: Inductively Coupled Plasma-Mass Spectrometry (ICP-MS), Enzymatic Colorimetric Assay
Iodine, 24 Hour Urine Reference Values:
Iodine/Creatinine Ratio Reference Values:
Cautions: Administration of iodine-based contrast media and drugs containing iodine, such as amiodarone, will yield elevated results.
Patient Preparation:
Collection:
Note: May be collected with 50% Acetic Acid preservative.
Outside Laboratories:
Login: SEND1-;REFRIG
Timed Collection:
Random Urine Collection:
Sendouts, order Mayo Test:
Stability:
Sendout |
Mayo Clinic Laboratories (Superior Drive)
800-533-1710 3050 Superior Drive NW |
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CPTs: