Which lab studies are performed in the evaluation of hypogonadism in males?

Updated: Apr 03, 2019
  • Author: Maria G Vogiatzi, MD; Chief Editor: George T Griffing, MD  more...
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The following studies may be indicated in males with hypogonadism:

  • Follicle-stimulating hormone (FSH) levels

  • Luteinizing hormone (LH) levels

  • Testosterone levels

  • Thyroid function

  • Seminal fluid examination

  • Karyotyping

  • Testicular biopsy

For males after puberty, the Guidelines of the Endocrine Society [3] require that the diagnosis of hypogonadism be based on symptoms and signs of hypogonadism plus the presence of a low testosterone level measured on at least 2 occasions.

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