Overview
A part of circulating 25-hydroxy vitamin D is converted to 1,25-dihydroxy form in the kidneys. Patients who present with hypercalcemia, hyperphosphatemia and low PTH may suffer from unregulated conversion of vitamin D from mono-hydroxy to dihydroxy form as is seen in granulomatous diseases like Sarcoidosis and nutritionally induced Hypervitaminosis D.
What is the Vitamin D (25 Hydroxy Vit D) Test ?
A part of circulating 25-Hydroxy Vitamin D is converted to 1,25-Dihydroxy form in the Kidneys. Patients who present with Hypercalcemia, Hyperphosphatemia and low PTH may suffer from unregulated conversion of vitamin D from mono-hydroxy to dihydroxy form as is seen in granulomatous diseases like Sarcoidosis and nutritionally induced Hypervitaminosis D.
What is the Purpose of the Vitamin D (25 Hydroxy Vit D) Test ?
This test is advised for following reasons:
- Screening: It is used to screen deficiency or insufficiency if you have a risk factor that increases the likelihood of having a low level of vitamin D.
- Diagnosis: It is used to diagnose vitamin D deficiency or insufficiency if you have symptoms that suggest low levels. Testing may also be used to diagnose a rare vitamin D toxicity due to excess intake of vitamin D supplements.
- Monitor: It is also used to monitor your vitamin D levels if you are being treated for a previously detected deficiency.
When is a Vitamin D (25 Hydroxy Vit D) Test Recommended ?
The following are a few signs that could indicate an Vitamin D (25 Hydroxy Vit D) Test:
- Weakening of the bones
- Abnormal bone development
- Bone deformity
- Bone pain
- Muscle weakness or cramps
- Seizures
- Dental abnormalities
Preparation for Vitamin D (25 Hydroxy Vit D) Test
- Unless otherwise directed by your doctor, there is no need for you to make any special preparations before the Vitamin D (25 Hydroxy Vit D) Test.
- Other blood tests can be carried out in addition to this test. If your doctor advises you to have multiple tests at once, they may ask you to fast for a specific period of time prior to a blood test.
- Drink adequate water before sample collection.
- Follow the preparatory instructions as guided by your doctor.
What is the Cost of the Vitamin D (25 Hydroxy Vit D) Test ?
The Price of a Vitamin D (25 Hydroxy Vit D) Test is Rs. 850. However, cost of the test may fluctuate depending on following factors:
- Other tests advised along with Vitamin D (25 Hydroxy Vit D) Test
- Offers or discounts
- Empanelment of the patient
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