{"id":"atypical-lymphocytes-absolute","name":"Atypical (Reactive) Lymphocytes (Absolute)","shortName":"Atypical lymphs #","aliases":["Atypical Lymphocytes (Absolute)","Reactive Lymphocytes (Absolute)","Variant Lymphocytes (Absolute)","Atyp Lymph #","Absolute Atypical Lymphocytes","Atypical Lymphs (Abs)","Atypical (Reactive) Lymphocytes (Absolute)","Absolute Reactive Lymphocytes","Absolute Variant Lymphocytes","Reactive Lymphs (Abs)","Variant Lymphs (Abs)","Atypical Lymphocytes, Absolute","Atypical Lymphocytes Count"],"abbreviations":[],"loinc":[{"code":"26477-0","primary":true},{"code":"734-4","primary":false},{"code":"43743-4","primary":false}],"specimen":"whole-blood","units":[{"ucum":"10*3/uL","display":"x10³/µL"},{"ucum":"10*9/L","display":"x10⁹/L"},{"ucum":"/uL","display":"cells/µL"}],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"The number of 'activated-looking' (atypical or reactive) lymphocytes in a volume of blood, usually worked out from the percent and your total white cell count.","url":"https://bloodtesttracker.com/markers/atypical-lymphocytes-absolute","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}