Pacific · Vitamin D 25-Dihydroxy (Calcitriol) Test
Vitamin D 25-Dihydroxy (Calcitriol) Test in California
Below is a plain-language overview of the vitamin d 25-dihydroxy (calcitriol) test. The Vitamin D 25-Dihydroxy (Calcitriol) Test measures levels of calcitriol in the blood to assess vitamin D status.
What this test is
This test measures the amount of 25-dihydroxy vitamin D, also known as calcitriol, in your blood. Calcitriol is an active form of vitamin D important for calcium absorption and bone health. It helps in evaluating vitamin D status and potential deficiencies.
What it measures
- 25-Dihydroxy Vitamin D (Calcitriol) — reflects active vitamin D levels in the body
What the test involves
The test involves a standard blood draw, typically from a vein in your arm. A healthcare professional collects the blood sample for analysis.
Why it is often ordered
Clinicians may order this test to assess vitamin D levels and investigate potential deficiencies. It is also used to monitor conditions like hypocalcemia and renal disease.
Preparation
Preparation for the test may vary, so it's important to follow the specific instructions provided by the collection lab.
How results are reported
Results indicate the level of calcitriol in the blood, with reference ranges varying by laboratory. Your healthcare provider will interpret the results based on these ranges.
Before you go
- Sample collection requirements
- Turnaround time for results
- Specific preparation instructions
Cities
Vitamin D 25-Dihydroxy (Calcitriol) Test in California communities
Choose your city for local context and to request this test.