Comprehensive Vitamin D & Calcium Panel

Our lab tests are currently available only in the United States. 

If you’re located outside the U.S., please email ashleyc@nutritiondetective.com with any questions.

Our blood testing is done only through LabCorp. We will email you a blood work order to print out.

What’s Included:

• Calcium, Ionized

• 25-Hydroxy Vitamin D, D2 + D3 Fractionated, LC-MS/MS

• Calcitriol (1,25-dihydroxy vitamin D)

• Parathyroid Hormone (PTH), Intact

A complete look at vitamin D status, calcium regulation, active vitamin D, and parathyroid function.

This panel combines ionized calcium, fractionated 25-hydroxy vitamin D, calcitriol, and intact PTH.

Who should consider this panel?

This may be useful if you have:

• Bone loss

• Osteoporosis

• Kidney stones

• Muscle weakness

• Cramps

• Abnormal calcium

• Fractures

• Parathyroid concerns

• Unusually high or low vitamin D

What can this panel help investigate?

Vitamin D deficiency or excess, hyperparathyroidism, hypoparathyroidism, abnormal calcium regulation, and kidney-related mineral disorders.

Before the Blood Draw:

Fasting: Not required.

Best time of day: Morning is preferred.

Menstrual Cycle Timing: No specific cycle day is required.

Supplements: Tell us about calcium, vitamin D2, vitamin D3, calcitriol, magnesium, and other mineral supplements. You may take your morning supplements after the blood draw.

Biotin: Stop all biotin-containing supplements for 72 hours before testing. Hair, skin, and nail supplements are common sources of high-dose biotin.