{"id":"ige-mountain-cedar","name":"Mountain Cedar (Juniper) IgE","shortName":"Mountain cedar IgE","aliases":["Mountain Cedar IgE","T006-IgE Mountain Cedar","t6","Mountain cedar (t6) IgE","t6 IgE","T006-IgE Cedar, Mountain","Allergen, Tree, Mountain Cedar (Juniper) Tree","Ashe Juniper IgE","Juniperus ashei IgE","Juniperus sabinoides IgE","ImmunoCAP t6","Mountain Juniper IgE","Cedar, Mountain IgE","Mountain Cedar (Juniper) IgE"],"abbreviations":["t6"],"loinc":[{"code":"6178-8","primary":true},{"code":"112217-5","primary":false},{"code":"102215-1","primary":false}],"specimen":"serum","units":[{"ucum":"kU/L","display":"kU/L"},{"ucum":"U/mL","display":"UA/mL"}],"referenceRanges":[{"population":"Adults","low":0,"high":0.09,"unit":"kU/L","unitDisplay":"kU/L","note":"Quest, Labcorp and ARUP all print a result under 0.10 kU/L as class 0 (absent, negative or no significant level detected), so this range ends at 0.09, the highest value that prints below 0.10 at two decimals. A result of 0.10 or more falls in the next class: Labcorp calls 0.10 to 0.31 class 0/I (equivocal or low), and ARUP calls 0.10 to 0.34 'clinical relevance undetermined' and says it is meant for specialist use. Thermo Fisher, which makes the ImmunoCAP assay, says results above 0.1 kUA/L are indicative of sensitization, and the older cutoff of 0.35 kU/L is still used in many studies, including the US NHANES survey. A result above the range shows sensitization, not necessarily an allergy. Use the cutoffs printed on your own report.","sources":[{"title":"Cedar, Mountain (test 602491)","url":"https://www.labcorp.com/tests/602491/cedar-mountain","publisher":"Labcorp"},{"title":"Sample report for test 602491 (T006-IgE Cedar, Mountain), showing the class table","url":"https://files.labcorp.com/testmenu-d8/sample_reports/602491.pdf","publisher":"Labcorp"},{"title":"Allergen, Tree, Mountain Cedar (Juniper) Tree (test 0055007)","url":"https://ltd.aruplab.com/Tests/Pub/0055007","publisher":"ARUP Laboratories"},{"title":"ImmunoCAP Specific IgE Blood Test: Allergy Test List (interpretation table and test codes)","url":"https://www.questdiagnostics.com/content/dam/corporate/restricted/documents/hcp/about-our-tests/TL3930_Allergy%20Test%20list%202017.pdf","publisher":"Quest Diagnostics","year":2017},{"title":"ImmunoCAP Specific IgE blood test results: Interpretation (respiratory results interpretation guide)","url":"https://corporate.thermofisher.com/content/dam/phadia/library/en/Respiratory%20Results%20Interpretation%20Guide.pdf","publisher":"Thermo Fisher Scientific (Phadia)","year":2023},{"title":"Prevalence of allergic sensitization in the United States: results from the National Health and Nutrition Examination Survey (NHANES) 2005-2006","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4119838/","publisher":"Journal of Allergy and Clinical Immunology","year":2014}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Measures IgE antibodies to mountain cedar pollen, a major winter allergen in parts of the US. A higher level means sensitization, which doesn't always cause symptoms.","url":"https://bloodtesttracker.com/markers/ige-mountain-cedar","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}