Iodine, Random Urine

Sunquest Code:IODU  
Epic Code:LAB6309Epic Name:Iodine, Urine
Synonyms:Iodine spot
Methodology:Inductively coupled plasma, mass spectrometry
CPT Code:83789
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 1-3 days.

This test was developed and its performance characteristics determined by Laboratory Medicine and Pathology, Mayo Clinic. This test has not been cleared by the U.S. Food and Drug Administration.

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Urine Collection Procedure

Collection Instructions

Optimal Volume:1 mL
Minimum\Peds Volume:0.3 mL

Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Aliquot 1 mL, 0.3 mL minimum into a metal free container using a plastic pipet.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (Mayo)
Referral Lab number:IODU


Reference Range:0-15 y: not established 16 y and older: 26-705 mcg/L
Use:Monitoring iodine excretion rate as an index of daily iodine replacement therapy. Correlating total body iodine load with (131)I uptake studies in assessing thyroid function.

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