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Follicle Stimulating Hormone
MessageHuman FSH is secreted by the gonadotropic cells of the anterior lobe of the pituitary gland in response to gonadotropin releasing hormone (GnRH) from the medial basal hypothalamus.
Test Code
FSH
Alias/See Also
LAB3060003
CPT Codes
83001
Preferred Specimen
2.0 mL serum collected in a gold serum separator tube (SST)
Minimum Volume
0.5 mL serum
Other Acceptable Specimens
2.0 mL serum collected in an orange rapid clot serum separator tube (RCT)
Specimen Stability
Store centrifuged samples tightly stoppered at room temperature 15 - 30oC for no longer than eight hours. If the assay will not be completed within eight hours, refrigerate the samples at 2 - 8oC. If the assay will not be completed within 48 hours, or for shipment of samples, freeze serum at -20oC or colder.
Methodology
Immunoassay
Reference Range
| Sex | Age | Reference Range |
|---|---|---|
| M | 0 - 150 years | 1.27 - 19.26 mIU/mL |
| F | Mid-Follicular Phase | 3.85 - 8.78 mIU/mL |
| F | Mid-Cycle Peak | 4.54 - 22.51 mIU/mL |
| F | Mid-Luteal Phase | 1.79 - 5.12 mIU/mL |
| F | Post-Menopausal | 16.74 - 113.59 mIU/mL |
Performing Laboratory
Penn Medicine Lancaster General Health
