25-Hydroxy Vitamin D3 Test Price and Details
6 labs availableKnown As: Vitamin D3,25-OH Vitamin D3, Vitamin D level, 25-Hydroxy Vitamin-D
Last Updated On Saturday, July 26, 2025
What is the vitamin D3 Test?
Vitamin D is an essential necessity for your body as it not only helps to absorb calcium but also increase its bioavailability. In the end it will make your bones stronger. When your skin is exposed to sun, the UV rays comes in contact with skin and that is when the vitamin d is synthesized. You can also get vitamin D from food sources like fish, eggs, and fortified dairy products. It’s also available as a dietary supplement.
Vitamin D goes through some processes in body before it is ready to use. Like in kidney converts vitamin D to a chemical, 25-hydroxyvitamin D. For which this test is done. It monitors the levels of vitamin D in Our body. The amount of 25-hydroxyvitamin D in the blood indicates how much vitamin D is present in your body. This test is also known as 25-OH vitamin D test and the calcidiol 25-hydroxycholecalcifoerol test
When is a vitamin-D3 Test performed?
There can be many reasons behind getting this test done or if your doctor has prescribed you a 25-hydroxy-vitamin-D3. It will let them access if the amount of vitamin D3 is too much or way less than expected. It will help them analyze your bone health as well.
Following are the people who should get this test done to evaluate deficiency.
Those people who don’t have sun exposure
- Older people
- People who are on stage 2 of obesity
- Morbid obese people
- Breast fed babies only
- People with history of Gastric Bypass
- People with Chron’s disease or any other disease with
enteric conditions.
- If you already have a vitamin D3 deficiency and you are on a supplement or diet treatment then after every 3 months, you will have to get a follow up test.
What does a vitamin-D3 Test detect?
The Vitamin D3 test detects the level of vitamin D in your
body. If they are normal, on the borderline, less, or more. These will help our
doctor to diagnose a lot of things. This test also indicates some bone mineral
deficiency disorders like:
- Rickets
- Osteoporosis (very early stages of bone mineral deficiency)
What are the benefits of this test?
Followings are the benefits of this test.
- If the levels are lower then you will know where to adjust
to overcome your deficiency.
- If the levels are higher then you will know that there is
something wrong and it is time to see a doctor.
When should I know the results of this Test?
You can get the test results in a day or within a few hours depending upon from where you get tested.
Vitamin-D3 Test Results range?
The vitamin D levels are measured by the 25-hydroxy levels
in nanomoles/liter (nmol/L) or nanograms/milliliter (ng/mL).
Here are the main categories in which you will see your test
results.
- Less than 30 nmol/L (12 ng/mL) will indicate that you have
deficiency of Vitamin D.
- If levels are between 30 nmol/L (12 ng/mL) and 50 nmol/L (20
ng/mL) then it can be a potential deficiency
- Normal levels lie between 50 nmol/L (20 ng/mL) and 125
nmol/L (50 ng/mL).
- If the values are higher than 125 nmol/L (50 ng/mL) then
they are risky and dangerous.
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