{"id":"17-hydroxyprogesterone","name":"17-Hydroxyprogesterone (17-OHP)","shortName":"17-OHP","aliases":["17-Hydroxyprogesterone","17-OH Progesterone","17-OHP","17-Hydroxyprogesterone, LC/MS/MS","17-Alpha-Hydroxyprogesterone","17α-Hydroxyprogesterone","17-Hydroxyprogesterone, Serum","17-Hydroxyprogesterone, Serum or Plasma","17-Hydroxyprogesterone Quantitative by HPLC-MS/MS","17-OH Progesterone, LC/MS","Hydroxyprogesterone, 17a-, (17-OHP)","17 OH Progesterone","17-OH-Progesterone","17-Hidroxiprogesterona"],"abbreviations":["17-OHP","17OHP","17-OH-P"],"loinc":[{"code":"1668-3","primary":true},{"code":"14569-8","primary":false},{"code":"107495-4","primary":false}],"specimen":"serum-or-plasma","units":[{"ucum":"ng/dL","display":"ng/dL"},{"ucum":"nmol/L","display":"nmol/L"},{"ucum":"ng/mL","display":"ng/mL"}],"referenceRanges":[{"population":"Men, 18+","low":null,"high":220,"unit":"ng/dL","unitDisplay":"ng/dL","note":"Mayo Clinic Laboratories (as listed in the UW Medicine test guide) and Michigan Medicine's lab both print under 220 for adult men. ARUP prints under 139 for men 18 and older, so labs differ a lot. Use the range printed on your own report.","sources":[{"title":"17-Hydroxyprogesterone (send-out performed by Mayo Clinic Laboratories, test OHPG)","url":"https://testguide.labmed.uw.edu/view/OHPROG","publisher":"UW Medicine Laboratory Test Guide"},{"title":"17-Hydroxyprogesterone (LC-MS/MS)","url":"https://mlabs.umich.edu/tests/17-hydroxyprogesterone","publisher":"Michigan Medicine Laboratories (MLabs)"}]},{"population":"Women, 18+","low":null,"high":207,"unit":"ng/dL","unitDisplay":"ng/dL","note":"ARUP prints one limit of under 207 for women 18 and older, next to its phase-specific intervals. It is the fallback when the cycle phase isn't known.","sources":[{"title":"17-Hydroxyprogesterone Quantitative by HPLC-MS/MS, Serum or Plasma (test 0092332)","url":"https://ltd.aruplab.com/Tests/Pub/0092332","publisher":"ARUP Laboratories"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A steroid hormone made by the adrenal glands and ovaries. Clinicians use it mainly to look into congenital adrenal hyperplasia (CAH), an inherited enzyme condition.","url":"https://bloodtesttracker.com/markers/17-hydroxyprogesterone","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}