Iodine Blood Test

Iodine Blood Test

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Iodine, Serum/Plasma - Iodine is an essential element that is required for thyroid hormone production. The measurement of iodine serves as an index of adequate dietary intake and iodine overload, particularly from iodine-containing drugs such as Amiodarone.

An iodine blood test is an essential tool for assessing your iodine status and ensuring optimal health. Without sufficient iodine, the body cannot produce the necessary thyroid hormones for maintaining optimal health and function. This guide will explore the significance of iodine for bodily function, its effects on physical and mental health, and any risks related to inadequate iodine levels.

Furthermore, you'll learn about the iodine blood test procedure itself—its purpose and how it works. We will also help you understand your results from an iodine blood test by interpreting normal versus abnormal findings and identifying possible causes behind any discrepancies.

Finally, we will discuss strategies for addressing low levels of iodine intake while preventing overload. Plus, discover how to save money on bundled tests with lab request forms for a more cost-effective approach to monitoring your overall wellness.

Table of Contents:

The Vital Role of Iodine in Your Body

Iodine plays an integral role in thyroid hormone production, which regulates metabolism and body temperature for overall health.

Iodine's Importance in Thyroid Hormone Production

The thyroid gland uses iodine to produce hormones that control calorie burning, temperature, and growth processes, so a deficiency can lead to imbalances that affect bodily functions.

The Devastating Effects of Iodine Deficiency

  • Cognitive impairment: Inadequate iodine levels during pregnancy can result in intellectual disabilities among children.
  • Growth problems: Low iodide intake can cause stunted growth and delayed physical maturation in children.
  • Hypothyroidism: Inadequate dietary intake can lead to fatigue, weight gain, constipation, dry skin, hair loss, cold intolerance, and depression.
  • Goiter: A deficiency in iodine can cause the thyroid gland to enlarge, forming a visible swelling at the base of your neck.

Regular testing of iodine levels is essential to prevent these health issues, and the Iodine Blood Test available at provides affordable lab tests without requiring a doctor's visit.

Risks of Iodine Deficiency Disorders (IDD)

Not getting enough iodine can lead to physical and mental health issues, especially hypothyroidism and complications during pregnancy.

Hypothyroidism: A Consequence of IDD

When your body lacks iodine, it can't produce enough thyroid hormones, leading to fatigue, weight gain, constipation, dry skin, hair loss, depression, and cognitive impairment. Hypothyroidism can raise the possibility of cardiovascular issues as a result of elevated cholesterol levels.

Impact on Pregnant Women and Unborn Children

Iodine deficiency during pregnancy can lead to numerous complications, including miscarriage, preterm delivery, low birth weight, and congenital abnormalities such as deafness and mental retardation.

  • Miscarriage: Insufficient iodine increases the chances of losing a pregnancy before 20 weeks of gestation.
  • Pre-term delivery: Low iodine levels can contribute to premature births before 37 weeks of gestation.
  • Low birth weight: Babies born to mothers with iodine deficiency may have lower-than-average weights at birth, leading to long-term health issues.
  • Congenital abnormalities: Iodine deficiency during pregnancy has been linked to an increased risk of deafness and mental retardation in the child.

It is essential that people, especially expecting mothers, take measures to guarantee they get sufficient iodine through their diet or supplementation in order to decrease the potential for these issues. An Iodine Blood Test can help determine if your levels are healthy and guide you on any necessary adjustments.

The Iodine Blood Test Procedure

An iodine blood test is a simple and effective way to determine if you're getting enough of this essential nutrient or if you're OD'ing on meds like Amiodaron.

Purpose of the Test

Measuring serum/plasma levels of iodine through a blood test provides insight into your current state regarding this essential element, helping you avoid thyroid dysfunction, mental disabilities, and other health issues associated with low iodine intake.

How the Procedure Works

  1. Find a lab: Locate a nearby lab offering affordable testing services, such as
  2. Schedule an appointment: Book your appointment online at your chosen laboratory location.
  3. Blood sample collection: A healthcare professional will draw a small amount of blood from your arm using standard venipuncture techniques.
  4. Laboratory analysis: Your blood sample will be sent to the lab for analysis, where they measure serum/plasma concentrations of iodine in order to provide accurate results about your current status.
  5. Receive results: Once analyzed, you'll receive an email notification with your test results, typically within a few days.

By adhering to these easy steps, you can acquire useful information regarding your iodine levels and make knowledgeable decisions for the betterment of your health. If you have any doubts or queries regarding the results of your iodine blood test, it is best to consult a healthcare professional.

Understanding Your Iodine Blood Test Results

Get ready to decode your iodine blood test results and find out if your thyroid is in tip-top shape.

Normal vs Abnormal Results

A normal iodine level falls between 40 and 92 mcg/L, but if it's below or above this range, further investigation might be necessary.

  • Low levels: A result lower than the normal range suggests a deficiency in iodine intake and could lead to hypothyroidism.
  • Elevated levels: High iodine concentrations may indicate excessive consumption through diet or medication use, potentially causing hyperthyroidism.

Possible Causes Behind Abnormal Findings

If your iodine blood test reveals abnormal results, it's essential to consult with a healthcare professional who can help determine possible causes and recommend appropriate treatment options.

  1. Dietary sources: Consuming too little or too much seafood, dairy products, and fortified foods like salt can impact iodine levels.
  2. Iodized salt usage: In countries where iodized salt is not widely used, the risk of deficiency increases. Excessive ingestion of iodized salt can result in heightened levels.
  3. Medications: Certain medications like amiodarone or potassium iodide supplements may cause an increase in serum or plasma iodine concentrations.

By understanding your results and identifying potential causes behind abnormal findings, you can take steps towards maintaining optimal thyroid health and overall well-being through appropriate dietary adjustments or medical interventions, if necessary.

Boosting Iodine Levels and Avoiding Overload

Increasing dietary intake or taking supplements can help with low iodine levels, but too much iodine can lead to hyperthyroidism.

Increase Iodine Intake Naturally

Try adding more iodine-rich foods to your diet, such as seafood, dairy products, eggs, and iodized salt.

Discuss with your physician the possibility of taking a supplement if more iodine is needed.

Prevent Overload

To maintain a healthy balance of iodine, consult your doctor regarding high-dose iodide supplements and medications that may affect blood levels.

By staying informed and working with healthcare professionals, you can achieve a healthy balance of this essential nutrient in your body.

Save Money on Bundled Tests with Lab Request Forms

Save money on multiple tests, including the iodine blood test, by bundling them together with a lab request form for accurate health information.

Benefits of Bundled Testing Options

  • Affordability: Combine tests for discounted pricing.
  • Convenience: Complete all necessary tests in one visit.
  • Better Health Insights: Identify potential issues or imbalances in your body.

How to Obtain and Use Lab Request Forms

  1. Select your desired tests: Choose relevant tests and add them to your cart at
  2. Create an Account and Checkout: Register for an account if needed, then select "Lab Request Form" as the method for receiving test orders.
  3. Print Your Lab Request Form: After completing checkout, print the lab request form and bring it to your chosen lab location.
  4. Visit Your Chosen Lab: Present your printed lab request form at the laboratory, where they will collect samples for all tests included in your bundle.

Bundling tests together using a lab request form is an efficient way of managing healthcare expenses while prioritizing accurate health information.

FAQs in Relation to Iodine Blood Test

What's the point of an iodine blood test?

The purpose of an iodine blood test is to assess your iodine status and identify potential deficiencies or excesses that may impact thyroid function and overall health.

Is the iodine blood test accurate?

Yes, an iodine blood test is considered accurate for assessing iodine levels, but it's important to consult with a healthcare professional for proper interpretation and recommendations based on individual circumstances.

What blood tests show iodine deficiency?

An iodine lab test, along with TSH, Free T4, and Free T3 tests, can help determine if you have an iodine deficiency by evaluating thyroid hormone levels influenced by inadequate dietary intake.

What's a normal iodine level in a blood test?

Normal serum and plasma concentrations typically range from 50 to 170 micrograms per liter (mcg/L), and levels outside this range could indicate either deficiency or excessive intake, so it's best to consult a healthcare professional for personalized guidance.


If you suspect low iodine levels or are at risk for IDD, talk to your healthcare provider about getting an iodine blood test and managing potential overload.

Don't let iodine deficiency lead to hypothyroidism and other health issues.

Remember, early detection and intervention can prevent long-term health problems associated with iodine deficiency.



  1. Go to the "Find a Location" page to find the closest lab location. No need to make an appointment since walk-ins are welcomed. Once you have identified your closest location, go to step 2.

  2. Go to "Choose a Test" and add your selection (s) in the shopping cart. If you prefer to save money on bundled tests, we have created "Lab Test Panels" that can help you decide what to order.

  3. If you have a discount coupon code, add it to your cart.

  4. A $8 lab processing fee will be added to your total.

  5. Pay using a credit card.

  6. You will receive an order confirmation and instructions email on how to download your lab request.

  7. Print lab request form that you downloaded.

  8. Take that form to the closest location. Get your blood drawn.

  9. You will receive an email when the results are ready for you to download.

    Note: You cannot place an order under someone else's profile. The profile person's name will appear on the lab order form.


    If you have further questions, please email [email protected].

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