
Blood Spot LCMS Vitamin D
ZRT Laboratory
Sample type: Bloodspot
Requires fasting: No
At home test
Details
This panel measures total 25-OH vitamin D, 25-OH vitamin D2, and 25-OH vitamin D3 to assess nutritional deficiencies and monitor nutrient supplementation. Vitamin D has a complex regulatory effect upon calcium in our bodies and in the mineralization of our bones. Research shows vitamin D can also play a protective role against certain cancers, autoimmune disease and even the development of diabetes and heart disease.
- Vitamin D, 25-OH, Total, Blood Spot
- Vitamin D2, 25-OH, Blood Spot
- Vitamin D3, 25-OH, Blood Spot
Estimated days for results: Results should arrive 8-10 business days after the lab receives samples.
8–10 business days
Before You Start
3 Days Before Collection
Day of Collection
- Read the provided test collection instructions carefully.
- Watch the test collection video.
- You can collect your sample at any time.
3 Days Before Collection
- DO NOT take biotin/vitamin B7.
Day of Collection
- DO NOT take any vitamin D supplementation until after you have collected your sample.
- Collect your sample within one hour of waking.
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island




