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Follicle Stimulating Hormone

Item Value
Test Update Information Method changed from Siemens Centaur XP platform to Abbott Architect i2000 platform on 11/27/17. The Abbott Architect method reads approximately 26% lower than the Centaur method. Please note that the reference ranges have changed.

The Abbott assay standardization is traceable to the World Health Organization (WHO) FSH 1st International Standard, (92/510).
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 Microparticle Immunoassay (Abbott Architect i2000)
Container type Gold top or Red top
Amount to Collect 1 mL blood
Sample type Serum
Preferred volume 0.300 mL serum
Min. Volume 0.150 mL serum
Processing notes Aliquot and freeze serum at -20C.
Units IU/L
Normal range
Adult males (≥ 18 years) 1.0 - 12.0 IU/L


Adult females (≥ 18 years):
FOLLICULAR PHASE 3.0 - 8.1 IU/L
MID-CYCLE PEAK 2.6 - 16.7 IU/L
LUTEAL PHASE 1.4 - 5.5 IU/L
POST-MENOPAUSAL 26.7 - 133.4 IU/L


Reference range adopted from Abbott (vendor) based on in-house verification study of 23 male (>18 years old) normal volunteers in the UCSF Laboratory and 20 split female sample comparisons with ARUP.

Synonyms FSH; follitropin; gonadotropin tests
Stability Refrigerated (2-8°C): 7 days
Frozen (-10°C or colder): 12 months

If testing will be delayed more than 24 hours, remove serum from clot, red blood cells, or serum separator gel.

Avoid multiple freeze-thaw cycles.
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.

This assay standardization is traceable to the World Health Organization (WHO) FSH 1st International Standard, (92/510).

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 11/29/2017 9:05:52 AM
Entry Number 396
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