{"id":"ammonia","name":"Ammonia","shortName":"Ammonia","aliases":["Ammonia, Plasma","NH3","Blood Ammonia","Ammonia Level","Ammonia (NH3)","Plasma Ammonia","Ammonia Level, Plasma","Serum Ammonia","Ammonia, P","Venous Ammonia","Ammonia, Venous"],"abbreviations":["NH3"],"loinc":[{"code":"16362-6","primary":true},{"code":"22763-7","primary":false},{"code":"35254-2","primary":false}],"specimen":"plasma","units":[{"ucum":"umol/L","display":"µmol/L"},{"ucum":"ug/dL","display":"µg/dL"}],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A waste product made when the body breaks down protein, normally cleared by the liver. The test shows whether ammonia is building up in the blood.","url":"https://bloodtesttracker.com/markers/ammonia","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}