{"id":"arachidonic-acid-rbc","name":"Arachidonic Acid (AA), RBC","shortName":"AA (RBC)","aliases":["Arachidonic Acid, RBC","RBC Arachidonic Acid","AA RBC","C20:4 n-6 RBC","Arachidonic Acid, Red Blood Cells","Arachidonic Acid, Erythrocyte"],"abbreviations":["AA RBC","ARA RBC"],"loinc":[],"specimen":"red-blood-cells","units":[{"ucum":"%","display":"% of total fatty acids"}],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"How much arachidonic acid, an omega-6 fat, makes up the membranes of your red blood cells, shown as a percent of all the fatty acids there.","url":"https://bloodtesttracker.com/markers/arachidonic-acid-rbc","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}