Medical Encyclopedia

 

Medical Encyclopedia

Other encyclopedia topics:  A-Ag  Ah-Ap  Aq-Az  B-Bk  Bl-Bz  C-Cg  Ch-Co  Cp-Cz  D-Di  Dj-Dz  E-Ep  Eq-Ez  F  G  H-Hf  Hg-Hz  I-In  Io-Iz  J  K  L-Ln  Lo-Lz  M-Mf  Mg-Mz  N  O  P-Pl  Pm-Pz  Q  R  S-Sh  Si-Sp  Sq-Sz  T-Tn  To-Tz  U  V  W  X  Y  Z  0-9 

17-hydroxycorticosteroids

Contents of this page:

Alternative Names   

17-OH corticosteroids; 17-OHCS

Definition    Return to top

17-hydroxycorticosteroid (17-OHCS) is an inactive product formed when the liver and other body tissues break down the steroid hormone, cortisol. This article discusses the laboratory test to measure the amount of 17-OHCS in urine.

How the Test is Performed    Return to top

A 24-hour urine sample is needed.

For an infant, thoroughly wash the area around the urethra. Open a urine collection bag (a plastic bag with an adhesive paper on one end), and place it on the infant. For males, place the entire penis in the bag and attach the adhesive to the skin. For females, place the bag over the labia. Diaper as usual over the secured bag.

This procedure may take a couple of attempts -- lively infants can move the bag, causing the urine to be absorbed by the diaper. Check the infant often and change the bag after the infant has urinated into it. Drain the urine from the bag into the container given to you by your health care provider.

Deliver the container to the laboratory or your health care provider as soon as possible.

How to Prepare for the Test    Return to top

The health care provider will instruct you, if necessary, to stop taking drugs that may interfere with the test.

If you are collecting urine from an infant, you may need a couple of extra collection bags.

How the Test Will Feel    Return to top

The test involves only normal urination, and there is no discomfort.

Why the Test is Performed    Return to top

This test can help determine if the body is producing too much of the hormone cortisol.

Normal Results    Return to top

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

What Abnormal Results Mean    Return to top

Greater than normal levels of 17-OHCS may indicate:

Greater than normal levels may also exist with:

Lower than normal levels of 17-OHCS may indicate:

Risks    Return to top

There are no risks.

References    Return to top

Stewart PM. The adrenal cortex. In: Kronenberg HM, Melmed S, Polonsky KS, Larsen PR, eds. Williams Textbook of Endocrinology. 11th ed. Philadelphia, PA: Saunders Elsevier; 2008: chap 14.

Update Date: 3/18/2008

Updated by: Elizabeth H. Holt, MD, PhD, Assistant Professor of Medicine, Section of Endocrinology and Metabolism, Yale University. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M. Logo

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 1997-2009, A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.