Vitamin D Test (25-OH Vitamin D)
Also known as: 25-Hydroxy Vitamin D, Vit D3 Test
Measures vitamin D level, which is low in a large share of Indians.
Why it's done
- Diagnose deficiency
- Check bone health
What it measures
25-hydroxy vitamin D level.
Preparation
No fasting needed.
Normal range
Sufficient 30-100 ng/mL; insufficient 20-29; deficient below 20
Understanding results
Low levels need supplements as advised.
Related conditions
Ordered by
Frequently asked questions
Why is the Vitamin D Test (25-OH Vitamin D) test done?
Diagnose deficiency, Check bone health
How do I prepare for Vitamin D Test (25-OH Vitamin D)?
No fasting needed.
What is the normal range for Vitamin D Test (25-OH Vitamin D)?
Sufficient 30-100 ng/mL; insufficient 20-29; deficient below 20
Medically reviewed by
Medical review pending
Last updated
9 October 2026
Sources
- ICMR standard treatment workflows
- Reference ranges vary by laboratory - always read your report with your doctor
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.
