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Urinary iodine concentrations (UIC)

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Measures of iodine excess

  • overall iodine levels cannot be reliably measured in individuals given the considerable day-to-day variation in iodine intake (1)
    • median urinary iodine concentrations (UIC)
      • have been widely used as a biomarker of population iodine intake
      • levels >300 µg/l considered excessive in children and adults and levels >500 µg/l considered excessive in pregnant women (1)

Reference:

  • Leung AM, Braverman LE. Consequences of excess iodine.Nat Rev Endocrinol. 2014 Mar; 10(3): 136-142.

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