{"id":"arsenic-blood","name":"Arsenic, Blood","shortName":"Arsenic (blood)","aliases":["As, Blood","Arsenic, Whole Blood","Arsenic, Total, Blood","Arsenic (As), Blood","Blood Arsenic","Arsenic, B"],"abbreviations":[],"loinc":[{"code":"5583-0","primary":true},{"code":"15114-2","primary":false}],"specimen":"whole-blood","units":[{"ucum":"ug/L","display":"µg/L"},{"ucum":"ng/mL","display":"ng/mL"},{"ucum":"nmol/L","display":"nmol/L"},{"ucum":"ug/dL","display":"µg/dL"}],"referenceRanges":[{"population":"Adults","low":null,"high":13,"unit":"ug/L","unitDisplay":"µg/L","note":"Mayo Clinic Laboratories prints <13 ng/mL (the same as 13 µg/L) for whole blood, with no age split. ATSDR describes blood arsenic as normally under about 1 µg/dL (about 10 µg/L) in people who are not exposed, so labs differ a little. A result inside the range does not rule out exposure, because arsenic leaves the blood within hours to a few days. The range printed on your own report is the one that applies to your result.","sources":[{"title":"Heavy Metals Screen with Demographics, Blood (Mayo test HMDB)","url":"https://www.testcatalog.org/show/HMDB","publisher":"Mayo Clinic Laboratories (catalog mirrored at testcatalog.org)"},{"title":"Arsenic Toxicity: Clinical Assessment (Case Studies in Environmental Medicine)","url":"https://web.archive.org/web/20231205014355/https://atsdr.cdc.gov/csem/arsenic/clinical_assessment.html","publisher":"ATSDR (archived copy)"},{"title":"Arsenic Toxicity: Biologic Fate (Case Studies in Environmental Medicine)","url":"https://web.archive.org/web/2023/https://www.atsdr.cdc.gov/csem/arsenic/biologic_fate.html","publisher":"ATSDR (archived copy)"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Measures arsenic in your blood right now. It reflects very recent exposure, because arsenic leaves the blood quickly.","url":"https://bloodtesttracker.com/markers/arsenic-blood","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}