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Follicle Stimulating Hormone

Item Value
Approval req'd? No
Available Stat? No
Test code FSH
Test group FSH
Performed by China Basin Chemistry
In House Availability Thursday, Sunday (day shift)
Method Chemiluminescent immunoassay (Centaur)
Container type Gold top or Red top
Amount to Collect 2 mL blood
Sample type Serum
Preferred volume 1 mL serum
Min. Volume 0.3 mL serum
Processing notes Freeze at -20C.
Units IU/L
Normal range
Adult males (≥ 18 years) 0.6-14.7 IU/L

Adult females (≥ 18 years):
Follicular phase 2.5-10.2 IU/L
Mid-cycle peak 3.4-33.4 IU/L
Luteal phase 1.5-9.1 IU/L
Pregnant < 0.3 IU/L
Post-Menopausal 23.0-116.3 IU/L
Synonyms FSH; follitropin; gonadotropin tests
Turn around times 1-3 days
Additional information This assay is performed in-house and is suitable for use in adult patients to assess general endocrine function.

Adult male reference ranges were established using donor samples collected from the UCSF Donor Center (excluding autologous donors). Female reference ranges were adopted from the Siemens Centaur reagent insert.

This assay standardization is traceable to the World Health Organization (WHO) 2nd International Standard for human FSH (IS 94/632)..

Samples from younger patients are referred to a reference laboratory employing a more sensitive assay (see entry for FSH, Ultrasensitive)

Medi-Cal Medical Necessity Policy applies.
CPT coding 83001
LOINC code 15067-2
Last Updated 6/20/2016 1:28:30 PM
Entry Number 396
Lab Procedure Link Click here to for Procedure
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