17-OH progesterone

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17-hydroxyprogesterone; Progesterone - 17-OH

Normal and abnormal values differ for babies born with low birth weight. In general, normal results are as follows:

• Cord blood - 1,000 - 3,000 ng/dL
• >24 hours - less than 100 ng/dL
• Adults - less than 200 ng/dL

Note: ng/dL = nanograms per deciliter.

Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

High levels of 17-OH progesterone may be due to:

• Adrenal tumors
• Congenital adrenal hyperplasia (CAH)

In infants with CAH, 17-OHP levels range from 2,000 - 40,000 ng/dL. In adults, a level greater than 200ng/dL may be due to nonclassical adrenal hyperplasia.

Review Date: 05/31/2011
Reviewed By: Linda Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; and Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Bellevue, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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