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LH blood test - Results

Alternative Names

ICSH; Luteinizing hormone

Normal Values:

Adult male: 7 to 24 international units per liter (IU/L)
Adult female: 5 to 20 IU/L (levels peak around the middle of the menstrual cycle)

Note: 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:

Greater-than-normal levels of LH may indicate:

Anorchia (absence of testes or testes that do not function)
Hypogonadism
Klinefelter syndrome
Menopause
Ovarian failure (see Ovarian hypofunction)
Polycystic ovary disease
Precocious puberty
Turner syndrome

Lower-than-normal levels of LH may indicate hypopituitarism.

Additional conditions under which the test may be performed include:

Reviewed last on: 8/17/2007
Melanie N. Smith, M.D., Ph.D., Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Boston, MA. Review provided by VeriMed Healthcare Network.

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LH blood test - Results

Alternative Names

Normal Values:

What abnormal results mean: