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Vitamin D Test — Normal Range, Deficiency Symptoms, and Treatment

By MedVault Health Team · Last updated: June 28, 2026 · 6 min read

Vitamin D deficiency is one of the most common abnormal results on lab reports in Pakistan — even though the country gets plenty of sunshine. Vitamin D keeps your bones, muscles, and immune system strong. This guide explains what your vitamin D number means, the deficiency levels, symptoms, and how it is treated.

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What the Test Measures

The blood test measures 25-hydroxy vitamin D, written as 25(OH)D on most reports. This is the storage form of vitamin D and the best indicator of your overall status. Results are reported in ng/mL (or sometimes nmol/L).

Vitamin D Level (ng/mL)StatusWhat It Means
Below 20DeficientNeeds treatment with high-dose supplements
20-29InsufficientBelow ideal — supplementation usually advised
30-100Sufficient (Normal)Healthy range; aim for 30-50
Above 100Potentially toxicStop high-dose supplements, consult a doctor

If your report uses nmol/L, multiply the ng/mL cut-offs by about 2.5 (for example, 20 ng/mL ≈ 50 nmol/L).

Symptoms of Vitamin D Deficiency

Many people with low vitamin D have no clear symptoms. When symptoms do appear, they often include:

Why It's So Common in Pakistan

Pakistan has abundant sunshine, yet deficiency is widespread. The main reasons are:

How Vitamin D Deficiency Is Treated

Treatment depends on how low your level is. A doctor typically prescribes:

Don't self-medicate with mega-doses. Very high doses over a long time can cause vitamin D toxicity, raising blood calcium and harming the kidneys. Always follow a doctor's prescribed dose.

How Much Does a Vitamin D Test Cost in Pakistan?

LabApproximate Price (2026)
Chughtai LabRs. 3,500-5,000
Agha Khan LaboratoryRs. 4,000-5,500
Excel LabsRs. 3,000-4,000
IDC / local labsRs. 2,500-3,500

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Frequently Asked Questions

What is the vitamin D test?

The vitamin D test measures 25-hydroxy vitamin D (25(OH)D) in your blood — the standard way to check your vitamin D status. It is widely ordered in Pakistan because deficiency is common, and costs around Rs. 2,500-5,000.

What is the normal vitamin D range?

Below 20 ng/mL is deficient, 20-29 is insufficient, and 30-100 ng/mL is sufficient (normal). Most doctors aim for 30-50 ng/mL. Above 100 ng/mL can be toxic.

What are the symptoms of vitamin D deficiency?

Common symptoms include fatigue, bone and joint pain, muscle weakness, frequent illness, hair fall, and low mood. Many people have no symptoms, so testing is the only reliable way to know.

Why is vitamin D deficiency so common in Pakistan?

Despite abundant sunshine, deficiency is common due to limited skin exposure to sunlight, darker skin tone, air pollution blocking UVB rays, and low dietary intake.