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Testosterone

What Affects the Test

Reasons you may not be able to have the test or why the results may not be helpful include:

What To Think About

  • If the total testosterone level is low, more testing may be done to find the cause.
  • The levels of other hormones made by the pituitary gland, such as follicle-stimulating hormone (FSH) and luteinizing hormone (LH), may be checked to see whether a low testosterone level is caused by problems with the testicles or ovaries or the pituitary gland.
    • A really high level of LH and a low level of testosterone often means that the testicles or ovaries are not working properly. This is the pattern seen in women after menopause when their ovaries stop working.
    • A low LH level and a really low or high testosterone level may mean a problem with the pituitary gland.

To learn more, see:

Citations

  1. Fischbach FT, Dunning MB III, eds. (2009). Manual of Laboratory and Diagnostic Tests, 8th ed. Philadelphia: Lippincott Williams and Wilkins.

Other Works Consulted

  • Chernecky CC, Berger BJ (2008). Laboratory Tests and Diagnostic Procedures, 5th ed. St. Louis: Saunders.

  • Fischbach FT, Dunning MB III, eds. (2009). Manual of Laboratory and Diagnostic Tests, 8th ed. Philadelphia: Lippincott Williams and Wilkins.

  • Pagana KD, Pagana TJ (2010). Mosby’s Manual of Diagnostic and Laboratory Tests, 4th ed. St. Louis: Mosby Elsevier.

By Healthwise Staff
Primary Medical Reviewer E. Gregory Thompson, MD - Internal Medicine
Specialist Medical Reviewer Alan C. Dalkin, MD - Endocrinology
Last Revised May 17, 2012
1 | 2 | 3

WebMD Medical Reference from Healthwise

Last Updated: May 17, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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