Follicle-stimulating Hormone (FSH), Three Specimens
Use
The Follicle-stimulating Hormone (FSH) test is used primarily to evaluate fertility issues in women, particularly those experiencing irregular or absent menstrual cycles. The test helps in assessing the function of the ovaries, as FSH is crucial for the growth and maturation of ovarian follicles. Elevated levels can indicate primary ovarian insufficiency or menopause, while low levels might suggest dysfunction in the hypothalamus or pituitary gland. The FSH test is also used to evaluate the functioning of the pituitary gland.
Special Instructions
Patients should avoid taking biotin supplements for at least 72 hours before specimen collection, as high doses can interfere with test results. It's essential for healthcare providers to ask patients about any biotin supplementation prior to ordering the test.
Limitations
This test may be subject to interference from high doses of biotin supplements, potentially affecting the accuracy of the results. Results should be interpreted in conjunction with clinical findings and other hormonal assays. Variability in FSH levels occurs naturally across different phases of the menstrual cycle, which may influence the test outcome and should be considered during interpretation.
Methodology
Immunoassay (CLIA)
Biomarkers
LOINC Codes
- 32317-0
- 55610-0
- 55611-8
- 32317-0
- 55611-8
- 55610-0
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
Not provided
Minimum Volume
Not provided
Collection Instructions
Sequential sampling required. Follow directions for Sequential Sampling.
Patient Preparation
Avoid biotin supplements for 72 hours before collection.