Use of Inductively Coupled Plasma Mass Spectrometry to Measure Urinary Iodine in NHANES 2000: Comparison with Previous Method

Urinary iodine (UI) concentrations directly reflect dietary iodine intake and consequently test biochemical assessment of the iodine status worldwide (1). The Iodine Laboratory of the Division of Laboratory Sciences at the National Center for Environmental Health, CDC, measured the UI content of specimens as part of the National Health and Nutrition Examination Survey (NHANES) 2000 and will measure UI in the US population through future NHANES...