Vitamin D (25-Hydroxy)
25-hydroxyvitamin D is the main circulating form and best indicator of vitamin D status. Essential for calcium absorption and bone health.
Test Information
Reports In
Same day (6 hours)
Parameters
1
Requisites
Blood Sample
Sample Type
Blood
Measures
25-hydroxyvitamin D (25-OH-D) level
Identifies
Vitamin D deficiency, bone health, immune function
What is the Vitamin D Test?
Vitamin D (25-Hydroxy Vitamin D) testing measures the body's vitamin D stores. Despite abundant sunshine in India, Vitamin D deficiency affects 70-90% of the urban population due to indoor lifestyles, sunscreen use, and dark skin pigmentation. Vitamin D is essential for calcium absorption, bone health, immune function, and mood regulation.
Why Should You Take This Test?
Widespread deficiency is common. Important for bones, immunity, and overall health.
Who Should Get Tested?
Bone or Joint Pain
Vitamin D deficiency is a leading cause.
Office Workers
Limited sun exposure leads to deficiency.
Women (All Ages)
Higher risk due to indoor lifestyle and pregnancy demands.
Elderly (60+)
Skin becomes less efficient at producing Vitamin D with age.
Dark-Skinned Individuals
Melanin reduces Vitamin D synthesis from sunlight.
Warning Signs — When Should You Get This Test?
Common Conditions Detected
Frequently Booked Together
Tests commonly ordered alongside Vitamin D for a complete picture
Calcium & Phosphorus
Vitamin D regulates calcium absorption
PTH
Parathyroid hormone rises when Vitamin D is low
Bone Density Scan
If osteoporosis is suspected
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