{"id":"apoe-genotype","name":"APOE Genotype","shortName":"APOE","aliases":["APOE","Apolipoprotein E Genotype","APOE4 Status","ApoE Genotyping","APOE e4","ApoE Genotype e2/e3/e4","Alzheimer's Genetic Risk (APOE)","APOE Genotyping","ApoE Genotype","Apolipoprotein E Genotyping","Apolipoprotein E (APOE) Genotype","APOE Gene Genotype","ApoE Proteotype","Apolipoprotein E Phenotype","APOE Genotype, Alzheimer's Risk"],"abbreviations":["APOE","ApoE","APOE4","APOE ε4"],"loinc":[{"code":"42315-2","primary":true},{"code":"21619-2","primary":false},{"code":"104166-4","primary":false},{"code":"34438-2","primary":false}],"specimen":"whole-blood","units":[],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A DNA test that shows which versions of the APOE gene you carry (e2, e3 or e4). The e4 version is linked to higher odds of late-onset Alzheimer's disease, but it does not mean you will get it.","url":"https://bloodtesttracker.com/markers/apoe-genotype","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}