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The measurement of urinary iodine (UI) provides an accurate approximation of dietary iodine intake in view of the fact that the majority of iodine ingested (90%) is excreted via the urine. Therefore, UI measurements provide a biological indicator of Iodine Deficiency Disorders.
Iodine is primarily utilized in thyroid function. It is a fundamental building block in the production of thyroid hormones. Deficiency or excess can mean issues with thyroid function.
This test is useful to patients with suspected or diagnosed thyroid conditions. The test requires one urine sample taken from the first morning void (first urination after waking in the morning).
• 5ml plastic eye dropper
• 15ml plastic urine tube
• 1 x Specimen bag
• Padded postage satchel
- Avoid all sources of iodine for 48 hours prior to completing this test as this may affect results.
Iodine is found in the following: iodised table salt, kelp, nori and other seaweeds, seafood and Betadine and some multivitamins (check labels carefully).
- Urine collection will be from the first morning void