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Follicle Stimulating Hormone (FSH)


The FSH assay utilizes a sequential two-step immunoenzymatic (“sandwich”) assay to determine hormone levels from human serum.

Test Utility

This test measures the amount of follicle stimulating hormone in the bloodstream. It can aid in determining reproductive issues in men (low sperm counts) and women (development of eggs), determine menopause status, investigation of menstrual irregularities, and diagnose pituitary or hypothalamus disorders.

Specimen Collection and Preparation

Serum or plasma sample in the following tubes:

  • Serum separator tube (gold or tiger top)

  • Lithium Heparin (green top)

Specimen Storage and Stability

Store serum or plasma at the following temperatures:

  • Room temperature: 15°C to 30°C for no longer than 8 hours

  • Refrigerated: 2°C to 8°C for up to 48 hours

  • Frozen: -20°C or lower, samples should be thawed only once.

Specimen Rejection

  • Insufficient sample volume

  • Sample not stored at proper temperature

  • Frozen whole blood

  • Severely hemolyzed samples

  • Severely lipemic specimens

  • Specimen labeled incorrectly or not labeled

Reference Pages


Monday – Saturday

Result available within 24 hours of receipt in laboratory

NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal


Vibra Health Laboratory

1307- A, Allen Dr

Troy, MI 48083

(248) 846-0663

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