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Vitamin D Test, Serum


Test Description

A Vitamin D Test is a blood test that measures the level of vitamin D in your blood. Vitamin D is essential for healthy bones and teeth, and it also helps keep your muscles, nerves, and immune system working normally. Having low levels of vitamin D is a common problem that can lead to bone disorders and other medical conditions.

Indications of the Test

A Vitamin D Test is used to screen for low levels of vitamin D in your blood so you can treat it with supplements before it causes any medical conditions. If you have a known bone disorder or a problem absorbing calcium, a vitamin D test may be used to see if a lack of vitamin D is causing your condition. Your healthcare provider may order a Vitamin D test if you have:

  • Osteomalacia, soft bones, often with muscle weakness
  • Low bone density, which can lead to osteoporosis
  • Rickets, a problem with bone growth in children.

Patient preparation/Instructions

No special preparation is needed for a Vitamin D Test. However, it is recommended to inform your healthcare provider about any medications or supplements you are taking, as some of them may interfere with the test results



Typical reference values

The normal range of 25-hydroxy vitamin D is measured as nanograms per milliliter (ng/mL). Many experts recommend a level between 20 and 40 ng/mL

Turn around Time

The turnaround time for a Vitamin D Test varies depending on the laboratory and testing method used. Results are usually available within a few days to a week

Order This Test

To order a Vitamin D Test, click the “Order Test” button and add it to the cart. You can get vitamin D testing nearby without a doctor’s appointment from any part of Kenya such as Nairobi, Mombasa, Eldoret, and Kisumu

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Vitamin D Test, Serum
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