Optimal Result:
100 - 500 ug/L.
The biomarker Creatinine-Corrected Urine Iodine is an essential measure in evaluating iodine levels in the body, normalized against creatinine levels in urine. This correction accounts for variations in urine concentration, making the results more accurate for assessing iodine status across different hydration levels.
What Is Iodine and Why Is It Important?
Iodine is a vital micronutrient required for the production of thyroid hormones, which regulate metabolism, growth, and development. Adequate iodine intake is particularly crucial during pregnancy, infancy, and childhood to support brain development and prevent thyroid dysfunction.
Why Correct for Creatinine?
Creatinine is a waste product of muscle metabolism, excreted at a relatively constant rate in urine. By correcting iodine levels against creatinine, the test provides a more reliable measure of iodine status, independent of factors like fluid intake or urine dilution.
Who Should Test?
- Pregnant and breastfeeding women: To ensure sufficient iodine supply for fetal and infant development.
- Individuals with thyroid dysfunction: To monitor the potential role of iodine in their condition.
- Populations in regions with known iodine deficiency: To track nutritional interventions.
Improving Iodine Status
- Dietary Sources: Iodine-rich foods include seafood, dairy products, and iodized salt.
- Supplementation: May be necessary in cases of deficiency, under medical guidance.
- Avoid Excess: Limit intake of high-iodine foods or supplements if levels are already sufficient.
The Creatinine-Corrected Urine Iodine test offers a precise and actionable snapshot of your iodine status, empowering you and your healthcare provider to make informed decisions for better thyroid health and overall well-being.
Lab Results Explained and Tracked
What does it mean if your Creatinine-corrected Urine Iodine result is too high?
Excessive iodine can sometimes lead to thyroid dysfunction, including hyperthyroidism or autoimmune thyroid diseases. However, this is less common than deficiency.
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What does it mean if your Creatinine-corrected Urine Iodine result is too low?
Low Creatinine-Corrected Urine Iodine
- Indicates iodine deficiency, which can lead to hypothyroidism, goiter, and developmental issues in children.
- May be caused by insufficient dietary iodine intake or high exposure to goitrogens (substances that interfere with iodine use).
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