Fullscript logoThe Fullscript green leaf logo alongside the text FullscriptFullscript leaf logo
Lab companiesSign in
Create account
ZRT Laboratory

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


  • Nutrition

Before You Start
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

Provider pricing unlocks when you sign up

Go from test to plan, in one place

  • 2,500+ blood labs & specialty tests from partners you trust, one login

  • Turn results into personalized plans with Fullscript Assist

  • Competitive cash-pay pricing and nationwide phlebotomy

Create free accountBook a demo

Trusted by 50,000+ practitioners

20+

lab companies

Quest DiagnosticsAccess Medical Labs3x4 Genetics

40+

EHR integrations

Practice BetterCerboOptiMantra

Having labs on Fullscript has been a real time saver for my practice. I love the convenience and ability to order affordable labs quickly for my patients. It will be a staple in my workflow going forward.

Joseph Thomas, MD

Verified Fullscript practitioner