{"id":"arachidonic-acid","name":"Arachidonic Acid (AA)","shortName":"Arachidonic Acid","aliases":["Arachidonic Acid","C20:4 n-6","Arachidonic (20:4n-6)","Arachidonate","Omega-6: Arachidonic","Arachidonic Acid, Serum","Arachidonic Acid, Plasma","Arachidonic, C20:4w6","ARA"],"abbreviations":["ARA"],"loinc":[{"code":"35168-4","primary":true},{"code":"1889-5","primary":false}],"specimen":"serum-or-plasma","units":[{"ucum":"umol/L","display":"µmol/L"},{"ucum":"nmol/mL","display":"nmol/mL"},{"ucum":"mg/L","display":"mg/L"},{"ucum":"ug/mL","display":"µg/mL"}],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Measures arachidonic acid, an omega-6 fat in your blood that your body uses to make signaling molecules involved in inflammation and healing.","url":"https://bloodtesttracker.com/markers/arachidonic-acid","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}