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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.

QuestAssureD™ 25-Hydroxyvitamin D (D2, D3), LC/MS/MS #92888

4 Biomarkers - Specimen Type: Serum - Process Time*: Average 4 to 5 business days | Up to 6 business days

*Important Information on Lab Test Processing Times: Foxx Lab Tests is committed to informing you about the processing times for your lab tests processed through Quest Diagnostics. Please note that the estimated processing time for each test, indicated in business days, is based on data from the past 30 days across the 13 Quest Diagnostics laboratories for each test. These estimates are intended to serve as a guide and are not guarantees. Factors such as laboratory workload, weather conditions, holidays, and the need for additional testing or maintenance can influence actual processing times. We aim to offer estimates to help you plan accordingly. Please understand that these times may vary, and processing times are not guaranteed. Thank you for choosing Ulta Lab Tests for your laboratory needs.

The Compare - Vitamin D Test (EW) test contains 1 test with 4 biomarkers.

Why pay $49 for Everlywell's 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!

Brief Description: The Vitamin D Lab Test, also known as the 25-Hydroxyvitamin D Test, is a diagnostic assessment used to measure the levels of various forms of vitamin D in the blood. Vitamin D is essential for the body's overall health, particularly for bone health, immune function, and maintaining normal calcium levels.

Also Known As: Ergocalciferol Test, Vitamin D2 Test, Cholecalciferol Test, Vitamin D3 Test, Calcidiol Test, 25-hydroxyvitamin D Test, Calcifidiol Test, 25-hydroxy-vitamin D Test, Vitamin D Total Test

Collection Method: Blood Draw

Specimen Type: Serum

Test Preparation: Fasting preferred, but not required.

When and Why the Vitamin D Test May Be Ordered

Timing of the Test: The Vitamin D Test may be ordered when there is a clinical suspicion of vitamin D deficiency or to monitor vitamin D levels in certain medical conditions.

Reasons for Ordering the Test:

Assessment of Vitamin D Status: It is commonly ordered to assess an individual's vitamin D status, especially if they exhibit symptoms of deficiency or are at risk due to factors like limited sun exposure, aging, or certain medical conditions.

Bone Health Evaluation: Healthcare providers may order this test when evaluating bone-related issues such as osteoporosis, osteopenia, or unexplained fractures since vitamin D plays a vital role in calcium absorption and bone mineralization.

Monitoring Chronic Diseases: In cases where patients have chronic diseases like kidney disease or malabsorption disorders, the test can help monitor vitamin D levels as these conditions may affect vitamin D metabolism.

Guidance for Supplementation: The results can guide healthcare providers in recommending appropriate vitamin D supplementation to correct deficiencies.

What the Vitamin D Test Checks For

The Vitamin D Lab Test assesses the levels of two primary forms of vitamin D:

25-Hydroxyvitamin D Total: This form represents the total amount of circulating vitamin D in the blood, including both vitamin D2 and vitamin D3.

25-Hydroxyvitamin D2 and 25-Hydroxyvitamin D3: These subcomponents specifically quantify the levels of vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol), which are the two major forms of vitamin D in the body. Vitamin D2 is obtained from dietary sources and supplements, while vitamin D3 is synthesized in the skin upon exposure to sunlight.

How Health Care Providers Use the Results of the Vitamin D Test

The results of the Vitamin D Lab Test are used by healthcare providers to:

Assess Vitamin D Status: The test helps determine whether an individual has an adequate, insufficient, or deficient level of vitamin D.

Guide Treatment: In cases of vitamin D deficiency or insufficiency, healthcare providers may recommend vitamin D supplementation to restore normal levels. The choice of supplementation and dosages are influenced by the test results.

Evaluate Bone Health: For patients with bone-related conditions, such as osteoporosis or osteopenia, the test results can aid in assessing the contribution of vitamin D deficiency to these conditions and guide treatment decisions.

Monitor Chronic Diseases: In patients with chronic illnesses that may affect vitamin D metabolism, regular monitoring of vitamin D levels can help assess disease progression and the need for interventions.

Prevent Deficiency Complications: Identifying and addressing vitamin D deficiency can prevent complications associated with low vitamin D levels, including osteoporosis, muscle weakness, and an increased risk of falls and fractures.

Personalize Care: The results allow healthcare providers to personalize treatment plans by tailoring vitamin D supplementation to the patient's specific needs, taking into account factors such as age, sex, medical history, and lifestyle.

In summary, the Vitamin D Lab Test is a valuable tool for assessing vitamin D status, guiding treatment decisions, and addressing deficiencies that can impact bone health, immunity, and overall well-being. Regular monitoring of vitamin D levels is crucial in providing optimal healthcare for individuals at risk of deficiency or with specific medical conditions.

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

Compare - Vitamin D Test (EW)

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