The Vitamin D Total is a blood test conducted to examine vitamin D deficiency.
What is the Vitamin D Total test?
The Vitamin D Total is a lab test conducted to examine the levels of vitamin D in the body, which is essential for the body to function. The key role of vitamin D is to help control blood levels of calcium, phosphorus, and magnesium. Vitamin D is fundamental for the growth and wellbeing of bones and a vitamin D deficiency can make bones become soft and malformed, which will, in turn, cause diseases as the bones lose their ability to repair themselves.
Why is the Vitamin D Total test suggested?
The Vitamin D Total test is suggested for the following reasons:
- When there is an abnormal level of calcium, phosphorus, and/or parathyroid hormone.
- If there is evidence of bone disease or bone weakness.
- Before starting treatment for
- While monitoring treatment of vitamin D deficiency.
The Vitamin D Total test is also suggested when the patient is at a high risk of deficiency or the healthcare practitioner believes that the patient might have a vitamin D deficiency.
How is the Vitamin D Total test performed?
In the Vitamin D Total test, a blood sample is drawn from a vein in the arm.
What are the parameters measured in the Vitamin D Total test?
The level of Vitamin D in the blood should be in between 20 to 50 nanograms/milliliter for healthy people.
Preparation before performing the Vitamin D Total test
There is no special preparation needed before the Vitamin D Total test.
Post-care after the Vitamin D Total test
No special care is required after the sample for testing has been given.
Sample types in Vitamin D Total
A blood sample is needed for the Vitamin D Total test.
Side effects/risks of the Vitamin D Total test
There are no risks associated with having blood drawn in the Vitamin D Total test. The patient might feel lightheaded in the worst-case scenario.