what lab test indicates iodine deficiency
Ensuring the Quality of Urinary Iodine Procedures. Iodine deficiency disorders are thought to affect more than a billion people worldwide. Accurate laboratory tests can detect iodine deficiency. Urinary iodine (UI) analysis is the most common method used, worldwide, for assessing the iodine status of a population. Ensuring the Quality of Iodine Procedures (EQUIP) is a standardization program that addresses laboratory quality-assurance issues related to testing for iodine deficiency.