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1,25 Dihydroxy Vitamin D


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Serum, NA, Fasting or Non Fasting: As suggested by doctor

sample requiredSample Required:

For the 1,25 Dihydroxy Vitamin D test, a blood sample is required. A small amount of blood is drawn from a vein, usually from the arm.

test timeTest Time:

The test procedure usually takes a few minutes for the blood sample to be collected. The results may take a few days to be processed and reported.

test normal rangeTest Normal Range:

The normal range for 1,25 Dihydroxy Vitamin D levels can vary depending on the laboratory and the units of measurement used. Typically, the normal range is around 18 to 72 picograms per milliliter (pg/mL).

what is the testWhat is the Test?

The 1,25 Dihydroxy Vitamin D test measures the level of active vitamin D in the blood. This form of vitamin D plays a crucial role in calcium absorption and bone health.

test procedureTest Procedure:

The test involves a simple blood draw. A healthcare professional will clean the area, usually the inside of the elbow, with an antiseptic. They will then insert a small needle into a vein to collect a blood sample.

when to take the testWhen to Take the Test:

This test may be ordered by healthcare providers to evaluate vitamin D metabolism, calcium regulation, and bone health. It can also be used to diagnose certain medical conditions related to vitamin D levels.

who should take this testWho Should Take This Test:

Individuals with suspected vitamin D deficiencies, abnormal calcium levels, or bone-related issues may be candidates for the 1,25 Dihydroxy Vitamin D test. It can also be useful for monitoring certain medical conditions.

precautions for exceptional casesPrecautions for Exceptional Cases (Pregnancy, etc.):

Pregnant individuals or those with certain medical conditions should inform their healthcare provider before the test. Some medications and medical conditions can affect the test results.



Q1: Why is the 1,25 Dihydroxy Vitamin D test important?

A: This test helps assess the active form of vitamin D in the body, which is crucial for maintaining healthy bones, calcium levels, and overall health.

Q2: Can I eat before the test?

A: Fasting is usually not required for this test. However, it’s advisable to follow any specific instructions provided by your healthcare provider.

Q3: What can low levels of 1,25 Dihydroxy Vitamin D indicate?

A: Low levels of active vitamin D can be associated with bone disorders, calcium imbalances, and certain medical conditions.

Q4: Can high levels of active vitamin D be harmful?

A: Excessive levels of 1,25 Dihydroxy Vitamin D can lead to hypercalcemia (elevated calcium levels), which can cause various health problems.

Q5: How is vitamin D deficiency treated?

A: Treatment may involve vitamin D supplementation, dietary changes, and exposure to sunlight. It’s important to follow your healthcare provider’s recommendations.

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