Vitamin D Level

Vitamin D Level

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Why Get Tested?
To determine if you have a vitamin D deficiency; if you are receiving vitamin D supplementation, to determine if it is adequate

When to Get Tested?
When you have an abnormal calcium, phosphorus, and/or parathyroid hormone level; when you have evidence of bone disease or bone weakness; when you are at high risk of deciency or your doctor suspects that you might have a vitamin D deficiency; prior to starting drug treatment for osteoporosis; periodically to monitor treatment of vitamin D deficiency

Sample Required?
A blood sample drawn from a vein in your arm

Test Preparation Needed?