Express Pathology

Vitamin D & B12 Test

Type

Blood Testing

Biomarkers

1

Duration

30 min

Results

3 days

Essential vitamin status check for Vitamin D and B12 levels.

A vitamin D test measures the level of 25-hydroxyvitamin D in your blood — the most accurate indicator of your body's vitamin D status. Vitamin D is essential for calcium absorption, bone health, immune function, and mood regulation. Despite its importance, vitamin D deficiency is one of the most common nutritional deficiencies worldwide, affecting an estimated 1 billion people. Low levels are linked to increased risk of osteoporosis, fractures, autoimmune diseases, depression, and certain cancers. People living at higher latitudes, those with darker skin, office workers with limited sun exposure, and the elderly are particularly at risk.

Key Details

Biomarkers
1 marker (25-OH vitamin D)
Fasting Required
No
Sample Type
Blood draw
Turnaround
24–72 hours
Optimal Range
40–60 ng/mL (100–150 nmol/L)
Common Use
Deficiency screening, supplementation monitoring

Who Is This For?

Anyone living in regions with limited sunlight or who spends most time indoors. People experiencing bone pain, muscle weakness, or frequent illness. Those with darker skin (melanin reduces vitamin D synthesis). Older adults, as the skin's ability to produce vitamin D decreases with age. Anyone supplementing with vitamin D who wants to verify they're in the optimal range.

What's Included

25-hydroxyvitamin D (25-OH-D)

Preparation Required

No fasting required. No special preparation needed. If you supplement with vitamin D, continue your normal dosage — the test is measuring your steady-state level, not an acute response.

Biomarkers Tested

1
Vitamin D (25-OHD) ng/mL

The best indicator of overall vitamin D status. Vitamin D is essential for calcium absorption, bone health, immune function, and mood regulation. Deficiency is extremely common, especially in northern latitudes, and linked to increased disease risk.

Price
$185.00
Category
Diagnostic
Sample Type
Blood draw
Duration
30 min
Results
3 days

Express Pathology

Direct-to-consumer blood testing across NSW, VIC, and QLD without GP referral.

Frequently Asked Questions