Compare - Vitamin D Test (LGC)

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The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

Vitamin D, 25-Oh, D2

Vitamin D2 ((ergocalciferol,) is found in fortified foods and in most vitamin preparations and supplements. Vitamin D comes from two sources: endogenous, which is produced in the skin on exposure to sunlight, and exogenous, which is ingested in foods and supplements. The D2 form is found in fortified foods and in most vitamin preparations and supplements. Vitamin D2 is effective when it is converted by the liver and the kidney into the active form, 1,25-dihydroxyvitamin D.

Vitamin D, 25-Oh, D3

Vitamin D3 (cholecalcifero) which comes from animals. Vitamin D comes from two sources: endogenous, which is produced in the skin on exposure to sunlight, and exogenous, which is ingested in foods and supplements. Vitamin D3 is the form produced in the body and is also used in some supplements. Vitamin D3 are is converted by the liver and the kidney into the active form, 1,25-dihydroxyvitamin D.

Vitamin D, 25-Oh, Total

Vitamin D comes from two sources: endogenous, which is produced in the skin on exposure to sunlight, and exogenous, which is ingested in foods and supplements. The chemical structures of the types of vitamin D are slightly different, and they are named vitamin D2 (ergocalciferol, which comes from plants) and vitamin D3 (cholecalciferol, which comes from animals). The D2 form is found in fortified foods and in most vitamin preparations and supplements. Vitamin D3 is the form produced in the body and is also used in some supplements. Vitamin D2 and D3 are equally effective when they are converted by the liver and the kidney into the active form, 1,25-dihydroxyvitamin D.

Vitamin D, 25-Oh, Total

Vitamin D comes from two sources: endogenous, which is produced in the skin on exposure to sunlight, and exogenous, which is ingested in foods and supplements. The chemical structures of the types of vitamin D are slightly different, and they are named vitamin D2 (ergocalciferol, which comes from plants) and vitamin D3 (cholecalciferol, which comes from animals). The D2 form is found in fortified foods and in most vitamin preparations and supplements. Vitamin D3 is the form produced in the body and is also used in some supplements. Vitamin D2 and D3 are equally effective when they are converted by the liver and the kidney into the active form, 1,25-dihydroxyvitamin D.
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The Compare - Vitamin D Test (LGC) test contains 1 test with 4 biomarkers.

Why pay $89 for a Lets Get Checked Vitamin D finger prick test kit when you can experience the convenience and affordablity of a Vitamin D lab test with Ulta Lab Tests - compare now and save!

Vitamin D Lab Test

The Vitamin D lab test measures the levels of various forms of vitamin D in the bloodstream, including Vitamin D2 and Vitamin D3. This test provides valuable information about a person's vitamin D status, which is crucial for overall health.

Collection Method: Blood Draw

Specimen Type: Serum

Test Preparation: No preparation required

When and Why the Vitamin D Lab Test May Be Ordered

Timing of the Test: The Vitamin D lab test can be ordered at any time and typically does not require fasting. It is performed for various reasons, depending on the clinical context and the patient's symptoms or health concerns.

Reasons for Ordering the Test:

  1. Assessment of Vitamin D Status: Healthcare providers may order the Vitamin D lab test to assess a person's vitamin D status, which is important for bone health, immune function, and overall well-being.

  2. Diagnosis of Bone Disorders: Low vitamin D levels can lead to weakened bones, contributing to conditions like osteoporosis and rickets. The test results can help diagnose and manage these disorders.

  3. Evaluation of Nutritional Deficiency: The test is used to identify individuals with vitamin D deficiency or insufficiency, often related to inadequate dietary intake, limited sun exposure, or malabsorption disorders.

  4. Monitoring Vitamin D Supplementation: For individuals taking vitamin D supplements, the test can help healthcare providers monitor vitamin D levels to ensure they remain within the desired range.

What the Vitamin D Lab Test Checks For

The Vitamin D lab test measures the levels of various forms of vitamin D, including:

  1. Vitamin D, 25-OH, D2: This marker assesses the concentration of Vitamin D2, which is a form of vitamin D obtained from dietary sources or supplements.

  2. Vitamin D, 25-OH, D3: This marker measures the concentration of Vitamin D3, which is the form of vitamin D synthesized in the skin in response to sunlight exposure.

  3. Vitamin D, 25-OH, Total: This marker represents the total concentration of both Vitamin D2 and Vitamin D3, providing an overall assessment of vitamin D status.

How Health Care Providers Use the Results

Interpreting the results of the Vitamin D lab test is essential for diagnosing and managing various health conditions:

  1. Assessment of Vitamin D Status: The test results help healthcare providers determine if an individual has sufficient vitamin D levels. Vitamin D is essential for calcium absorption and bone health.

  2. Diagnosis and Management of Bone Disorders: Low vitamin D levels can contribute to conditions like osteoporosis and rickets. The test aids in diagnosing these disorders and guiding treatment.

  3. Identification of Nutritional Deficiency: Low vitamin D levels can indicate a deficiency, often related to dietary factors, sun exposure, or malabsorption disorders. Addressing the deficiency may involve dietary changes, sunlight exposure, or supplementation.

  4. Monitoring Vitamin D Supplementation: For individuals taking vitamin D supplements, regular testing helps healthcare providers ensure that vitamin D levels are within the desired range. Adjustments to supplementation may be made as needed.

In summary, the Vitamin D lab test assesses various forms of vitamin D in the bloodstream, providing critical information about vitamin D status and its impact on bone health and overall well-being. It aids in diagnosing bone disorders, identifying nutritional deficiencies, and guiding treatment strategies to improve a patient's overall health.

We advise having your results reviewed by a licensed medical healthcare professional for proper interpretation of your results.

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