{"id":"apoa1","name":"Apolipoprotein A1 (ApoA1)","shortName":"ApoA1","aliases":["ApoA1","Apo A-I","Apolipoprotein A1","Apolipoprotein A-I","Apo A1","Apolipoprotein A-1","Apolipoproteína A1","Apolipoprotein A-1 (Apo A-1)","Apolipoprotein A1, Serum","Apolipoprotein A1, S","Apo A-1","ApoA-I","Cardio IQ Apolipoprotein A1"],"abbreviations":["ApoA1","Apo A-I","ApoA-I","Apo A1"],"loinc":[{"code":"1869-7","primary":true},{"code":"76483-7","primary":false}],"specimen":"serum-or-plasma","units":[{"ucum":"mg/dL","display":"mg/dL"},{"ucum":"g/L","display":"g/L"}],"referenceRanges":[{"population":"Men","low":104,"high":202,"unit":"mg/dL","unitDisplay":"mg/dL","note":"ARUP's published interval for men. Labs disagree: UW Medicine's in-house nephelometric assay lists 107-187 mg/dL for men, and Mayo Clinic Laboratories lists only a lower cutoff of 120 mg/dL or higher for men 18 and older. Cleveland Clinic's patient page quotes a general 100-150 mg/dL for everyone. Compare your result with the range printed on your own report.","sources":[{"title":"Apolipoprotein B/A Ratio (test 0050028), including the Apolipoprotein A-1 reference interval","url":"https://ltd.aruplab.com/Tests/Pub/0050028","publisher":"ARUP Laboratories"},{"title":"Apolipoprotein A1 (APOA1), UW Medicine Laboratory Test Guide","url":"https://testguide.labmed.uw.edu/public/view/APOA1","publisher":"University of Washington Medicine, Department of Laboratory Medicine and Pathology"},{"title":"Apolipoprotein A1, Serum (test APOA1)","url":"https://www.testcatalog.org/show/APOA1","publisher":"Mayo Clinic Laboratories (Extended Catalog)"},{"title":"Apolipoprotein A-1","url":"https://ptex.au/ptests-pro.php?q=Apolipoprotein%20A-1","publisher":"Pathology Tests Explained (Royal College of Pathologists of Australasia)","year":2025},{"title":"Apolipoprotein A1 (ApoA1)","url":"https://my.clevelandclinic.org/health/articles/apolipoprotein-a1","publisher":"Cleveland Clinic","year":2025}]},{"population":"Women","low":108,"high":225,"unit":"mg/dL","unitDisplay":"mg/dL","note":"ARUP's published interval for women. UW Medicine's in-house nephelometric assay lists 115-206 mg/dL for women, and Mayo Clinic Laboratories lists a lower cutoff of 140 mg/dL or higher for women 18 and older. Women tend to run higher than men because HDL runs higher.","sources":[{"title":"Apolipoprotein B/A Ratio (test 0050028), including the Apolipoprotein A-1 reference interval","url":"https://ltd.aruplab.com/Tests/Pub/0050028","publisher":"ARUP Laboratories"},{"title":"Apolipoprotein A1 (APOA1), UW Medicine Laboratory Test Guide","url":"https://testguide.labmed.uw.edu/public/view/APOA1","publisher":"University of Washington Medicine, Department of Laboratory Medicine and Pathology"},{"title":"Apolipoprotein A1, Serum (test APOA1)","url":"https://www.testcatalog.org/show/APOA1","publisher":"Mayo Clinic Laboratories (Extended Catalog)"},{"title":"Apolipoprotein A-1","url":"https://ptex.au/ptests-pro.php?q=Apolipoprotein%20A-1","publisher":"Pathology Tests Explained (Royal College of Pathologists of Australasia)","year":2025}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"The main protein in HDL particles. Higher levels usually go along with higher HDL cholesterol and are linked to a lower chance of heart disease.","url":"https://bloodtesttracker.com/markers/apoa1","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}