{"id":"hcg-quantitative","name":"hCG, Total, Quantitative (Beta-hCG)","shortName":"Beta-hCG","aliases":["Beta hCG","hCG, Quantitative","Total hCG","HCG, Total, Quantitative","hCG Total","Pregnancy Test, Quantitative","B-HCG","β-hCG","Beta-hCG, Quantitative","Beta-hCG, Quantitative (Pregnancy)","Beta hCG, quantitative, female","Quantitative hCG Blood Test","hCG Total OB","Total Chorionic Gonadotropin"],"abbreviations":["β-hCG","B-hCG"],"loinc":[{"code":"21198-7","primary":true},{"code":"19080-1","primary":false},{"code":"83086-9","primary":false},{"code":"45194-8","primary":false}],"specimen":"serum","units":[{"ucum":"m[IU]/mL","display":"mIU/mL"},{"ucum":"[IU]/L","display":"IU/L"}],"referenceRanges":[{"population":"Women, 55+","low":null,"high":14,"unit":"m[IU]/mL","unitDisplay":"mIU/mL","note":"Not pregnant, over 55. Values rose with age, to under 2.0 to 13.1 IU/L in women over 55, and the study recommends a cutoff of 14.0 IU/L for interpreting hCG in this group. A small amount of hCG from the pituitary gland after menopause can explain this (Oyatogun 2021). The numbers come from one study using one assay.","sources":[{"title":"Diagnostic considerations in the measurement of human chorionic gonadotropin in aging women","url":"https://pubmed.ncbi.nlm.nih.gov/16099935/","publisher":"Clinical Chemistry","year":2005}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"The pregnancy hormone, measured as a number. It rises quickly in early pregnancy, so a trend over days tells more than a single value.","url":"https://bloodtesttracker.com/markers/hcg-quantitative","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}