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Iodine Pre and Post Load Urine - Doctor's Data Test Kit

Iodine is an essential element required for the normal function of the thyroid gland and immune system and the integrity of breast tissue. The test can be performed using conventional random or 24-hour urine collection or after administration of a loading dose of iodide/iodine. 
Please Note: This test kit requires a dosage of Iodine. The iodine is not included in this kit and we cannot advise the amount you should take. If the correct dosage is not taken we cannot guarantee accurate results. Please contact your physician for dosage information.


Test Code: DDIPPL

Also Known As:


Specimen Type: Urine

Preparation: The Urine Halides/Iodine pre & post-loading test takes 24 hours to collect. The urine container holds a maximum of 4 liters. For best results, do not consume more than 3.5 liters (15 cups) of liquid during the collection period to avoid overfilling the container. For 5 days prior to and during the collection process, you should avoid taking iodine supplements (other than the loading dose prescribed by your physician), non-essential medications, and products that contain iodide/ iodine such as kelp, fish, and sea vegetables unless otherwise instructed by your physician. Never discontinue prescription medications without first consulting your physician. Female patients should not collect urine during a menstrual period.

Test Results: 5-7 Business days once the lab receives the specimen. May take longer based on weather, holiday or lab delays.


Specific tissues in the body require adequate iodine and the reduced form of the element iodide, for normal metabolism and optimal health. Adequate iodide uptake and organification of iodine by the thyroid gland are required for the production, storage, and release of thyroid hormones. Triiodothyronine (T3) regulates metabolism in several tissues by affecting energy production and neuronal and sexual development. Iodine insufficiency is associated with "sub-clinical" thyroid deficiency, weight gain, loss of energy, goiter, and impaired mental function. Iodine is also concentrated in breast tissue where it elicits anti-proliferative effects and protection against fibrocystic breast disease and cancer. Iodine and organic iodine compounds are also concentrated and secreted by the gastric mucosa, salivary glands, and cervix. The test requires a spot urine specimen, preferably first-morning void (FMV), for determination of baseline halide levels. An oral loading dose of iodine/iodide is ingested and all urine is collected for the subsequent 24 hours. Iodine is measured in the urine and the results for each element are reported as µg/gm creatinine and µg/24 hours. Iodine status is assessed by evaluation of the percentage of the ingested dose that is excreted. Low iodine excretion is suggestive of greater bodily retention and need.


This Test is Useful for: 


  • Fatigue
  • Immune Response
  • Thyroid Function
  • Estrogen Metabolism


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