QuestAssureD 25-Hydroxy and Calcitriol 1,25-Dihydroxyvitamin D details

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QuestAssureD 25-Hydroxy and Calcitriol 1,25-Dihydroxyvitamin D

Labcorp

Broadest draw-site network nationwide.

This test is coming soon at Labcorp.

QuestAssureD 25-Hydroxy and Calcitriol 1,25-Dihydroxyvitamin D

Quest Diagnostics

Same-day appointments in most metros.

Sample type: Serum
Avg. sample processing time: 5 Business days
Require fasting: No

BiomarkersQuest Diagnostics biomarkers

Vitamin D, 25-OH, Total The combined measure of both major forms of vitamin D (D2 and D3) in your blood — the standard test used to assess overall vitamin D status.
Calcitriol (1,25 di-OH Vitamin D) The active, hormone form of vitamin D that directly regulates calcium absorption. Tested less often than 25-OH vitamin D, mainly for kidney or calcium-regulation disorders.
25-OH Hydroxy Vitamin D (Cholecalciferol D3)
25-OH Hydroxy Vitamin D (Ergocalciferol D2)
Vitamin D2, 1,25 (OH)2
Vitamin D3, 1,25 (OH)2

$63.49

Description

Vitamin D originating from dietary and endogenous sources is converted to 25-hydroxyvitamin D in the liver, and subsequently to 1, 25-dihydroxyvitamin D in the kidney. Measurement of both the 1, 25-Dihydroxy and 25-Hydroxy forms provide insights into a variety of medical conditions such Vitamin D status in renal failure, differential diagnosis of primary, secondary and tertiary hyperparathyroidism. Differential diagnosis of hypercalcemia and type I and II inherited rickets.

Included biomarkers

Biomarkers

Vitamin D, 25-OH, Total The combined measure of both major forms of vitamin D (D2 and D3) in your blood — the standard test used to assess overall vitamin D status.
Calcitriol (1,25 di-OH Vitamin D) The active, hormone form of vitamin D that directly regulates calcium absorption. Tested less often than 25-OH vitamin D, mainly for kidney or calcium-regulation disorders.
25-OH Hydroxy Vitamin D (Cholecalciferol D3)
25-OH Hydroxy Vitamin D (Ergocalciferol D2)
Vitamin D2, 1,25 (OH)2
Vitamin D3, 1,25 (OH)2

Preparation

Labcorp

This test is coming soon at Labcorp.

Quest Diagnostics

Fasting for 8 hours before your blood draw is recommended but not required.
Fasting before a blood draw means you don't eat or drink anything except water.
Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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