Letter from the Director: Accurate Diagnosis Benefits of 25-Hydroxyvitamin D

Originally published in LabTalk (Volume 4, Issue 2, 2009), the quarterly newsletter of Aculabs. Vitamin D has been well known for its role in bone metabolism; however, the important role of vitamin D beyond that was the discovery of the 1,25-Dihydroxyvitamin D nuclear receptor in most tissue. Increased interest in vitamin D introduced the recent