{"id":"hepatitis-a-total","name":"Hepatitis A antibody, total","shortName":"Hep A total Ab","aliases":["HAV Total Ab","Hep A Total Antibody","Hepatitis A Total Antibody","Hep A Ab, Total","Hepatitis A Antibody, Total","Hepatitis A Virus Total Antibodies, Serum","Hepatitis A Virus Total Ab, S","HAV Antibody, Total","HAV Ab Total","Total anti-HAV","Anti-HAV Total","Hepatitis A Virus Ab, Total","HAV Total"],"abbreviations":["anti-HAV total","HAV total"],"loinc":[{"code":"13951-9","primary":true},{"code":"20575-7","primary":false},{"code":"5183-9","primary":false},{"code":"22312-3","primary":false},{"code":"51913-2","primary":false}],"specimen":"serum","units":[],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Measures all hepatitis A antibodies (IgG and IgM) together. A positive result usually means you are immune from a past infection or the vaccine.","url":"https://bloodtesttracker.com/markers/hepatitis-a-total","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}