{"id":"cmv-igg","name":"Cytomegalovirus (CMV) IgG","shortName":"CMV IgG","aliases":["Cytomegalovirus IgG","CMV IgG","CMV Ab IgG","Cytomegalovirus Antibody, IgG","Citomegalovirus IgG","Cytomegalovirus (CMV) Antibodies, IgG","Cytomegalovirus Ab, IgG","CMV Antibody, IgG","CMV Ab, IgG, S","Anti-CMV IgG","CMV IgG Antibody"],"abbreviations":["CMV IgG","CMV-IgG","CMV Ab IgG"],"loinc":[{"code":"5124-3","primary":true},{"code":"7852-7","primary":false},{"code":"22244-8","primary":false},{"code":"13949-3","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 for antibodies that show whether your immune system has met cytomegalovirus (CMV), a very common virus, at some point in your life.","url":"https://bloodtesttracker.com/markers/cmv-igg","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}