{"id":"immunofixation-serum","name":"Immunofixation (IFE), Serum","shortName":"Serum IFE","aliases":["Serum IFE","IFE Interpretation","Immunofixation, Serum","IFE","Immunofixation","Serum Immunofixation","Immunofixation Electrophoresis","Immunofixation Electrophoresis, Serum","Serum Immunofixation Electrophoresis","Immunofixation Electrophoresis Interpretation","Immunofixation Result","IFE, Serum","Immunosubtraction","MASS-FIX","MASSFIX"],"abbreviations":["IFE","sIFE","SIFE"],"loinc":[{"code":"25700-6","primary":true},{"code":"49275-1","primary":false},{"code":"14895-7","primary":false},{"code":"13348-8","primary":false},{"code":"74665-1","primary":false}],"specimen":"serum","units":[],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Checks whether a protein made by one clone of plasma cells is in your blood. If so, it names the type, such as IgG kappa.","url":"https://bloodtesttracker.com/markers/immunofixation-serum","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}