{"id":"lyme-western-blot","name":"Lyme Disease Western Blot (IgG and IgM Bands)","shortName":"Lyme Western Blot","aliases":["Lyme Western Blot","B. burgdorferi Western Blot IgG IgM","Lyme Immunoblot","Lyme IgG IgM Bands","Lyme Disease Western Blot, IgG and IgM","Lyme IgM Western Blot","Lyme IgG Western Blot","Lyme Blot","Borrelia burgdorferi IgG Immunoblot","Borrelia burgdorferi IgM Immunoblot","Lyme Disease Antibodies, IgG/IgM by Immunoblot"],"abbreviations":["Lyme WB","Lyme IgG WB","Lyme IgM WB"],"loinc":[{"code":"6320-6","primary":true},{"code":"6321-4","primary":false},{"code":"18203-0","primary":false},{"code":"62342-1","primary":false},{"code":"60342-3","primary":false},{"code":"60343-1","primary":false},{"code":"13502-0","primary":false},{"code":"13503-8","primary":false}],"specimen":"serum","units":[],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A blood test that checks which Lyme bacteria proteins your antibodies react to. It is the second step after a positive or equivocal antibody screen.","url":"https://bloodtesttracker.com/markers/lyme-western-blot","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}