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Urine Iodide

Test Indications:

  • Assessment of essential iodine and iodine status of the body.

Test Summary:

  • Assessment of iodine through urine samples which can be 24 hour or random samples depending on the type of test performed.

Iodine Function

Iodine/Iodide is an essential element that is paramount to normal function of the thyroid gland and the health and integrity of breast tissue. Iodine/Iodide intake has decreased significantly over the past thirty years and consequentially clinical symptoms have become apparent. Iodine/Iodide sufficiency can be readily assessed by analysis of urinary iodide excretion.

Specific tissues in the body utilize iodide and iodine. Adequate iodine status is essential for the production of normal levels of thyroid hormones and the integrity of thyroid and mammary glands, but iodine/iodide intake has decreased significantly over the past thirty years. Iodide, the reduced form of iodine, is highly concentrated in the thyroid gland where it is incorporated into thyroid hormones. Thyroid hormones regulate growth and metabolic rate, body heat and energy production, and neuronal and sexual development. Iodine is concentrated in the breasts where it is associated with protection against fibrocystic breast disease and cancer. Sub-clinical iodine/iodide deficiency has been associated with impaired mental function and loss of energy due to hypothyroidism.