{"id":"ferritin","name":"Ferritin","shortName":"Ferritin","aliases":["Ferritin, Serum","Serum Ferritin","Ferritin Level","Ferritin (S)","FERR","Ferritin, Total","Ferritin Quant","Ferritin Quantitative","Ferritin, Serum or Plasma","Ferritin, S","Ferritin (ng/mL)","Ferritin (µg/L)","Ferritina","Ferritine"],"abbreviations":["FERR"],"loinc":[{"code":"2276-4","primary":true},{"code":"20567-4","primary":false},{"code":"14723-1","primary":false},{"code":"35209-6","primary":false},{"code":"24373-3","primary":false}],"specimen":"serum-or-plasma","units":[{"ucum":"ng/mL","display":"ng/mL"},{"ucum":"ug/L","display":"µg/L"}],"referenceRanges":[{"population":"Men, 20–59","low":30,"high":400,"unit":"ng/mL","unitDisplay":"ng/mL","note":"Labcorp, ARUP (age 20–59) and MedlinePlus agree. Mayo Clinic Laboratories prints 24–336 µg/L for all adult men, so the upper limit varies by assay.","sources":[{"title":"Ferritin (test 004598)","url":"https://www.labcorp.com/tests/004598/ferritin","publisher":"Labcorp"},{"title":"Pediatric Testing Reference Ranges","url":"https://www.labcorp.com/content/dam/labcorp/drupal/178250_DX_TL_PediatricTestRef_Final.pdf","publisher":"Labcorp","year":2022},{"title":"Ferritin (test 0070065)","url":"https://ltd.aruplab.com/Tests/Pub/0070065","publisher":"ARUP Laboratories"},{"title":"Ferritin blood test","url":"https://medlineplus.gov/ency/article/003490.htm","publisher":"MedlinePlus Medical Encyclopedia (NIH)"},{"title":"FERR: Ferritin, Serum","url":"https://www.mayocliniclabs.com/test-catalog/overview/8689","publisher":"Mayo Clinic Laboratories"}]},{"population":"Men, 60+","low":31,"high":409,"unit":"ng/mL","unitDisplay":"ng/mL","note":"ARUP's interval for age 60 and over. Labcorp and MedlinePlus don't split by age and print 30–400 for adult men.","sources":[{"title":"Ferritin (test 0070065)","url":"https://ltd.aruplab.com/Tests/Pub/0070065","publisher":"ARUP Laboratories"}]},{"population":"Women, 20–59","low":15,"high":150,"unit":"ng/mL","unitDisplay":"ng/mL","note":"Labcorp prints 15–150. ARUP and MedlinePlus print 13–150. Mayo Clinic Laboratories prints 11–307 µg/L for all adult women.","sources":[{"title":"Ferritin (test 004598)","url":"https://www.labcorp.com/tests/004598/ferritin","publisher":"Labcorp"},{"title":"Pediatric Testing Reference Ranges","url":"https://www.labcorp.com/content/dam/labcorp/drupal/178250_DX_TL_PediatricTestRef_Final.pdf","publisher":"Labcorp","year":2022},{"title":"Ferritin (test 0070065)","url":"https://ltd.aruplab.com/Tests/Pub/0070065","publisher":"ARUP Laboratories"},{"title":"Ferritin blood test","url":"https://medlineplus.gov/ency/article/003490.htm","publisher":"MedlinePlus Medical Encyclopedia (NIH)"},{"title":"FERR: Ferritin, Serum","url":"https://www.mayocliniclabs.com/test-catalog/overview/8689","publisher":"Mayo Clinic Laboratories"}]},{"population":"Women, 60+","low":11,"high":328,"unit":"ng/mL","unitDisplay":"ng/mL","note":"ARUP's interval for age 60 and over. Labcorp and MedlinePlus don't split by age and print 15–150 (Labcorp) or 13–150 (MedlinePlus) for adult women.","sources":[{"title":"Ferritin (test 0070065)","url":"https://ltd.aruplab.com/Tests/Pub/0070065","publisher":"ARUP Laboratories"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A protein that stores iron in your cells. The small amount in your blood reflects how much iron your body has in reserve.","url":"https://bloodtesttracker.com/markers/ferritin","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}