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Vitamin D, 1, 25-dihydroxy Testing

Calcitriol; 1,25(OH) Vitamin D; 1,25-Dihydroxycholecalciferol
Sample Report
Specimen Type: Blood


The Vitamin D, 1, 25-dihydroxy test, may be used to help diagnose or monitor parathyroid hormone disorders. The Vitamin D, 1, 25-dihydroxy test may also be used to determine early kidney failure or other diseases which produce excess amounts of Vitamin D such as sarcoidosis or lymphomas. Turnaround time for the Vitamin D, 1, 25-dihydroxy is typically 2-3 business days.

Incubation Period:


The Vitamin D, 1, 25-dihydroxy test requires no isotopes be administered 24 hours prior to blood collection. Isotopes may be found in certain medications which may cause the testing to be rejected. Please contact the physician who is ordering your prescription to learn whether the medication you are taking may interfere with this testing.



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for the month of 



Take 10% off Thyroid Testing


Use coupon code THYJ10 during checkout.

Offer expires January 31st, 2015.


Cannot be applied to industry discounted prices, previous orders or tests not listed on our website. One coupon code per order. Coupon code expires at Midnight EST.