QuestAssureD™ for Infants, 25-Hydroxyvitamin D, LC

The QuestAssureD™ for Infants, 25-Hydroxyvitamin D, LC test contains 1 test with 3 biomarkers.

Brief Description: The QuestAssureD™ for Infants 25-Hydroxyvitamin D Test is a specialized diagnostic procedure designed to accurately measure the levels of 25-Hydroxyvitamin D (the primary form of Vitamin D found in blood) in infants. Due to the unique metabolic and nutritional needs of infants, specialized tests like this are crucial for obtaining accurate results in this demographic.

Collection Method: Blood Draw

Specimen Type: Serum

Test Preparation: No preparation required

When and Why a QuestAssureD™ for Infants 25-Hydroxyvitamin D Test May Be Ordered

A healthcare provider might order the test in the following scenarios:

  • Routine Health Checkup: As part of the regular health assessment of infants, especially if there are concerns about nutritional intake or sunlight exposure, both of which influence Vitamin D levels.

  • Symptoms of Deficiency: If an infant displays symptoms associated with Vitamin D deficiency, like bone softness or fractures, muscle weakness, or delayed growth.

  • Risk Factors: For infants who might be at risk of Vitamin D deficiency due to factors like exclusive breastfeeding without Vitamin D supplementation, dark skin (which reduces the skin's ability to produce Vitamin D from sunlight), or minimal sun exposure.

What the QuestAssureD™ for Infants 25-Hydroxyvitamin D Test Checks For

This test specifically measures:

  • Levels of 25-Hydroxyvitamin D in the Blood: It provides an accurate representation of the Vitamin D status in an infant's body. Elevated or reduced levels can offer insights into the infant's overall health and nutritional status.

Other Lab Tests Ordered Alongside the QuestAssureD™ for Infants 25-Hydroxyvitamin D Test

Alongside this test, several other tests might be ordered to evaluate related health aspects:

  1. Calcium (Ca):

    • Purpose: Vitamin D plays a significant role in calcium absorption and bone health.
    • Why Is It Ordered: To check for abnormalities in calcium levels that might be associated with vitamin D deficiency or excess, which could affect bone health and other physiological functions.
  2. Phosphorus/Phosphate (PO4):

    • Purpose: Vitamin D is also involved in phosphorus regulation.
    • Why Is It Ordered: To assess bone metabolism and renal function, especially if a vitamin D deficiency or excess is suspected to be impacting these areas.
  3. Parathyroid Hormone (PTH):

    • Purpose: PTH helps regulate calcium and vitamin D levels in the body.
    • Why Is It Ordered: To investigate parathyroid function and differentiate between primary hyperparathyroidism and secondary hyperparathyroidism, which may result from a vitamin D deficiency.
  4. Alkaline Phosphatase (ALP):

    • Purpose: ALP can be elevated in conditions affecting the bones.
    • Why Is It Ordered: To evaluate bone metabolism, particularly in cases where vitamin D deficiency is suspected to be affecting bone turnover and health.
  5. Kidney Function Test:

    • Purpose: Since the kidney is involved in converting vitamin D to its active form, kidney function is important for vitamin D metabolism.
    • Why Is It Ordered: To evaluate whether kidney disease might be affecting vitamin D metabolism.
  6. Magnesium:

    • Purpose: Magnesium is important for vitamin D metabolism.
    • Why Is It Ordered: To rule out magnesium deficiency, which can affect vitamin D status and function.
  7. 1,25-Dihydroxyvitamin D:

    • Purpose: This is the active form of vitamin D, produced in the kidneys.
    • Why Is It Ordered: In certain conditions, such as kidney disease or granulomatous diseases like sarcoidosis, measuring the active form of vitamin D can provide more specific information about vitamin D status and metabolism.

These additional tests can help to determine the underlying cause of abnormal vitamin D levels, assess for bone health, evaluate the risk of osteoporosis, and guide appropriate treatment and supplementation. The specific tests ordered will depend on the individual’s clinical scenario and initial test results.

Conditions or Diseases that Require a QuestAssureD™ for Infants 25-Hydroxyvitamin D Test

The primary conditions this test aids in diagnosing include:

  • Vitamin D Deficiency: Can lead to conditions like rickets in infants, where bones become soft and weak.

  • Vitamin D Over-supplementation: Rare but can lead to conditions like hypercalcemia, which can harm the kidneys and other organs.

Usage of QuestAssureD™ for Infants 25-Hydroxyvitamin D Test Results by Health Care Providers

Healthcare providers utilize the test results to:

  • Identify and Treat Vitamin D Imbalances: Early identification can help tailor dietary or supplement recommendations to ensure proper skeletal development and overall health.

  • Monitor Effectiveness of Interventions: If an infant has been put on Vitamin D supplements, periodic testing can assess the effectiveness of the treatment and adjust dosages if necessary.

  • Rule Out Other Conditions: Symptoms like bone pain or weakness can be due to various causes. By checking Vitamin D levels, doctors can either pinpoint or rule out Vitamin D deficiency as a cause.

In conclusion, the QuestAssureD™ for Infants 25-Hydroxyvitamin D Test is an essential tool in pediatric medicine, helping healthcare providers ensure that infants have the necessary Vitamin D levels for proper growth and development.

Most Common Questions About the QuestAssureD™ for Infants 25-Hydroxyvitamin D test:

Purpose and Indications for the QuestAssureD™ for Infants 25-Hydroxyvitamin D Test

What is the primary purpose of the QuestAssureD™ for Infants 25-Hydroxyvitamin D test?

The QuestAssureD™ for Infants 25-Hydroxyvitamin D test is specifically designed to measure the levels of 25-Hydroxyvitamin D in infants. Vitamin D is crucial for bone growth and development, and this test helps to ensure that infants have adequate levels for their health.

Why might a healthcare provider recommend the QuestAssureD™ for Infants 25-Hydroxyvitamin D test?

A healthcare provider might recommend this test if there's a suspicion that an infant may have a vitamin D deficiency or insufficiency, which can lead to conditions like rickets, weakened bones, or other health issues.

Interpreting the Results

What do the results of the QuestAssureD™ for Infants 25-Hydroxyvitamin D test indicate?

The results will show whether the infant has sufficient, insufficient, or deficient levels of 25-Hydroxyvitamin D. This can provide valuable information regarding the infant's vitamin D status and help guide any necessary interventions or dietary changes.

Implications and Management

If an infant has low levels of 25-Hydroxyvitamin D as indicated by the QuestAssureD™ for Infants test, what interventions might be recommended?

Interventions might include vitamin D supplementation, changes in diet, or increased safe sun exposure. The specific recommendations would depend on the severity of the deficiency and the individual needs of the infant.

How often should the QuestAssureD™ for Infants 25-Hydroxyvitamin D test be conducted?

The frequency of testing largely depends on the individual infant's health and risk factors. If an infant has been diagnosed with a deficiency and is undergoing treatment, follow-up tests might be more frequent to monitor the effectiveness of the treatment.

Test Mechanisms and Specifics

How does the QuestAssureD™ for Infants 25-Hydroxyvitamin D test differ from other 25-Hydroxyvitamin D tests?

The QuestAssureD™ for Infants test is specifically calibrated and designed for infants, taking into account the unique physiological differences and requirements of this age group. This ensures more accurate and relevant results for the infant population.

Is the QuestAssureD™ for Infants 25-Hydroxyvitamin D test suitable for toddlers or older children?

While the test is optimized for infants, it can be used for toddlers or older children. However, there might be other 25-Hydroxyvitamin D tests better suited for older children, given the differences in developmental stages and nutritional needs.

Additional Information

Can the QuestAssureD™ for Infants 25-Hydroxyvitamin D test provide insights into any other health conditions or deficiencies?

While the primary purpose of the test is to assess vitamin D status, extremely low levels of 25-Hydroxyvitamin D might also hint at underlying conditions or factors that hinder vitamin D absorption, such as certain gastrointestinal disorders or limited dietary intake.

Why is it crucial for infants to have optimal levels of 25-Hydroxyvitamin D?

Infants undergo rapid growth and bone development. Vitamin D plays a significant role in calcium absorption and bone health, making it essential for infants to have optimal levels to support this crucial developmental phase.

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

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.

Also known as: Questassured For Infants 25Hydroxyvitamin D

Vitamin D,25-Oh, D2

Vitamin D,25-Oh, D3

Vitamin D,25-Oh,Total

*Important Information on Lab Test Processing Times: Ulta 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.

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