{"id":"ige-alternaria","name":"Alternaria alternata IgE","shortName":"Alternaria IgE","aliases":["Alternaria IgE","M006-IgE Alternaria alternata","Alternaria alternata (m6) IgE","m6 IgE","Alternaria tenuis IgE","Alternaria tenuis, IgE, Serum","Allergen, Fungi/Mold, A. alternata IgE","Allergen, Fungi and Molds, Alternaria alternata (tenuis)","Alternaria (m6) IgE","ImmunoCAP m6","Mold Alternaria IgE"],"abbreviations":["m6","m006"],"loinc":[{"code":"6020-2","primary":true},{"code":"112157-3","primary":false}],"specimen":"serum","units":[{"ucum":"kU/L","display":"kU/L"}],"referenceRanges":[{"population":"Adults","low":0,"high":0.09,"unit":"kU/L","unitDisplay":"kU/L","note":"Most labs print a result under 0.10 kU/L as negative (class 0). Mayo Clinic Laboratories lists 0.10 to 0.69 kU/L as borderline or equivocal and flags 0.70 and above, and its reference values apply to all ages. ARUP reports under 0.10 as 'no significant level detected' and calls 0.10 to 0.34 'clinical relevance undetermined'. Mold extracts vary in allergen content, which can make results less consistent than for some other allergens, and results from different labs or test brands are not directly comparable.","sources":[{"title":"Alternaria tenuis, IgE, Serum (test ID ALTN)","url":"https://www.mayocliniclabs.com/test-catalog/overview/82910","publisher":"Mayo Clinic Laboratories"},{"title":"Allergen, Fungi and Molds, Alternaria alternata (tenuis) (ARUP test 0055001)","url":"https://ltd.aruplab.com/Tests/Pub/0055001","publisher":"ARUP Laboratories"},{"title":"510(k) Decision Memorandum K173726: ImmunoCAP Specific IgE (ImmunoCAP Allergen f447, rAra h 6, Peanut)","url":"https://www.accessdata.fda.gov/cdrh_docs/reviews/K173726.pdf","publisher":"U.S. Food and Drug Administration","year":2018},{"title":"Guidelines for the diagnosis and management of food allergy in the United States: report of the NIAID-sponsored expert panel","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4241964/","publisher":"Journal of Allergy and Clinical Immunology","year":2010},{"title":"Mold Allergens in Respiratory Allergy: From Structure to Therapy","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4397360/","publisher":"Allergy, Asthma & Immunology Research","year":2015}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Measures IgE antibodies to Alternaria, a common outdoor mold, in your blood. A detectable result means you are sensitized, which can go with mold allergy or asthma.","url":"https://bloodtesttracker.com/markers/ige-alternaria","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}