{"id":"widal-paratyphi-ah","name":"Widal, Salmonella Paratyphi A (AH) Titer","shortName":"Widal Paratyphi AH","aliases":["S. Paratyphi AH","Salmonella Paratyphi A H","Paratyphi AH","Paratyphi A","Paratífico A","Paratifico A","Widal Paratyphi A","Salmonella paratyphi A H antibody","Salmonella paratyphi A H Ab titer","Paratyphoid AH","Paratyphoid A H titer"],"abbreviations":["AH","S. Paratyphi AH"],"loinc":[{"code":"21511-1","primary":true},{"code":"22518-5","primary":false},{"code":"22517-7","primary":false},{"code":"32212-3","primary":false}],"specimen":"serum","units":[],"referenceRanges":[],"review":{"status":"ai-draft","label":"AI-drafted. Awaiting verification","lastReviewed":"2026-10-03"},"summary":"A Widal test titer for the flagellar (H) antigen of Salmonella Paratyphi A, a relative of the typhoid bacterium.","url":"https://bloodtesttracker.com/markers/widal-paratyphi-ah","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}