{"id":"fsh","name":"Follicle-Stimulating Hormone (FSH)","shortName":"FSH","aliases":["Follicle Stimulating Hormone","FSH","Follitropin","FSH, Serum","FSH, Ultrasensitive","FSH, Pediatric","Hormona foliculoestimulante","FSH (Follicle-Stimulating Hormone)","Follicle-Stimulating Hormone","Follicle-Stimulating Hormone (FSH), Serum","Follicle Stimulating Hormone, Serum","Follicle Stimulating Hormone (FSH)","FSH Level"],"abbreviations":["FSH"],"loinc":[{"code":"15067-2","primary":true},{"code":"83098-4","primary":false}],"specimen":"serum","units":[{"ucum":"m[IU]/mL","display":"mIU/mL"},{"ucum":"[IU]/L","display":"IU/L"}],"referenceRanges":[{"population":"Men, 18+","low":1.5,"high":12.4,"unit":"m[IU]/mL","unitDisplay":"mIU/mL","note":"Roche ECLIA interval from Labcorp and ARUP, which print the same numbers. IU/L and mIU/mL are the same number. Mayo, also on a Roche assay, lists 1.2–15.8 IU/L for ages over 18.","sources":[{"title":"Follicle-stimulating Hormone (FSH) (test 004309)","url":"https://www.labcorp.com/tests/004309/follicle-stimulating-hormone-fsh","publisher":"Labcorp"},{"title":"Follicle Stimulating Hormone, Serum (test 0070055)","url":"https://ltd.aruplab.com/Tests/Pub/0070055","publisher":"ARUP Laboratories"},{"title":"FSH - Follicle-Stimulating Hormone (FSH), Serum","url":"https://www.mayocliniclabs.com/test-catalog/overview/602753/follicle-stimulating-hormone-fsh-serum","publisher":"Mayo Clinic Laboratories"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A pituitary hormone that helps run the menstrual cycle in women and sperm production in men. It rises after menopause.","url":"https://bloodtesttracker.com/markers/fsh","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}