{"id":"beta-globulin-percent","name":"Beta Globulin (total), SPEP (percent)","shortName":"Beta Globulin %","aliases":["Beta Globulin Percent","Beta Globulins Percent","Beta Globulin, Total Percent","SPEP Beta Percent","Beta Globulin, Percent (SPEP)","Beta Globulin Fraction Percent","Total Beta Globulin Percent","Beta Globulin (% of Total Protein)","Beta Globulin Pct"],"abbreviations":[],"loinc":[{"code":"13982-4","primary":true}],"specimen":"serum","units":[{"ucum":"%","display":"%"}],"referenceRanges":[{"population":"Adults","low":8,"high":13,"unit":"%","unitDisplay":"%","note":"These are typical normal values quoted in the introduction of a 2023 Spanish hospital paper (capillary electrophoresis), not an interval published by a reference lab, so treat them as a rough guide only. Labs that split the beta zone print two intervals instead: the Sebia Capillarys package insert gives 4.7-7.2% for beta-1 and 3.2-6.5% for beta-2 (as quoted in Table 4 of Bikila et al. 2022). Use the interval printed on your own report first.","sources":[{"title":"Utility of the Serum Protein Electrophoresis in the Opportunistic Screening for the Deficiency of Alpha-1 Antitrypsin","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10486943/","publisher":"Diagnostics (Basel)","year":2023},{"title":"Establishment of Reference Intervals for Serum Protein Electrophoresis of Apparently Healthy Adults in Addis Ababa, Ethiopia","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC9419900/","publisher":"International Journal of General Medicine","year":2022}]}],"review":{"status":"ai-draft","label":"AI-drafted. Awaiting verification","lastReviewed":"2026-10-03"},"summary":"The share of your serum protein in the beta zone on electrophoresis, mostly transferrin plus complement and some IgA and IgM. Reported as a percent.","url":"https://bloodtesttracker.com/markers/beta-globulin-percent","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}