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17-hydroxycorticosteroids urine test

Definition

The 17-hydroxycorticosteroids (17-OHCS) test measures the level of 17-OHCS in the urine.

How the Test is Performed

A 24-hour urine sample is needed. You will need to . Your health care provider will tell you how to do this. Follow instructions exactly.

How to Prepare for the Test

Your provider will instruct you, if necessary, to stop medicines that may interfere with the test. These may include:

  • Birth control pills that contain estrogen
  • Certain antibiotics
  • Glucocorticoids

    • How the Test will Feel

    The test involves only normal urination. There is no discomfort.

    Why the Test is Performed

    17-OHCS is a product formed when the liver and other body tissues break down the steroid hormone cortisol.

    This test can help determine if the body is producing too much cortisol. The test may be used to diagnose . This is a disorder that occurs when the body has a constant high level of cortisol.

    The urine volume and urine creatinine are often done with 17-OHCS test at the same time. This helps the provider interpret the test.

    This test is not done often now. The free is a better screening test for Cushing disease.

    Normal Results

    Normal values:

  • Male: 3 to 9 mg/24 hours (8.3 to 25 µmol/24 hours)
  • Female: 2 to 8 mg/24 hours (5.5 to 22 µmol/24 hours)

    • Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your provider about the meaning of your specific test results.

    What Abnormal Results Mean

    A higher than normal level of 17-OHCS may indicate:

  • A type of caused by a tumor in the adrenal gland that produces cortisol
  • Depression
  • Hydrocortisone therapy
  • Pregnancy
  • A hormonal cause of severe
  • Severe physical or emotional stress
  • or elsewhere in the body that releases a hormone called adrenocorticotropic hormone (ACTH)

    • A lower than normal level of 17-OHCS may indicate:

  • Hereditary enzyme deficiency
  • Previous surgery to remove the adrenal gland
  • An expected result if part of a standard three- day dexamethasone suppression test

    • Urinating more than 3 liters a day (polyuria) can make the result of the test high even though cortisol production is normal.

    Risks

    There are no risks with this test.

    References

    Newell-Price JDC, Auchus RJ. The adrenal cortex. In: Melmed S, Auchus, RJ, Goldfine AB, Koenig RJ, Rosen CJ, eds. Williams Textbook of Endocrinology. 14th ed. Philadelphia, PA: Elsevier; 2020:chap 15.

    Schedule An Appointment

    Contact Atlanta Obsetrics and Gynaecology at The Womens Center Millennium Hospital - 404-ATL-BABY

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    Review Date: 5/12/2023

    Reviewed By: Sandeep K. Dhaliwal, MD, board-certified in Diabetes, Endocrinology, and Metabolism, Springfield, VA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.