Vitamin D Test (25-OH Vitamin D)

Also known as: 25-Hydroxy Vitamin D, Vit D3 Test

Category: VitaminsSample: BloodReport in: 1 2 Days

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.

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.

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.