{"id":"lipoprotein-a-mass","name":"Lipoprotein(a), mass (mg/dL)","shortName":"Lp(a) mass","aliases":["Lipoprotein (a)","Lp(a)","Lipoprotein(a) Mass","Lp(a) Mass","LIPOPROTEIN (a) mg/dL","Lp(a) mg/dL","Lipoprotein (a), Serum","Lipoprotein little a","Lipoproteína (a)","Lp(a), Serum","Lipoprotein (a) Quant","Lipoprotein a","Lipoprotein-a","Lp (a)","Lp(a) Mass Concentration","Lipoprotéine (a)","Lipoprotein(a) (mg/dL)"],"abbreviations":["Lp(a)","Lp-a"],"loinc":[{"code":"10835-7","primary":true}],"specimen":"serum-or-plasma","units":[{"ucum":"mg/dL","display":"mg/dL"},{"ucum":"mg/L","display":"mg/L"},{"ucum":"g/L","display":"g/L"}],"referenceRanges":[{"population":"Adults","low":null,"high":29.9,"unit":"mg/dL","unitDisplay":"mg/dL","note":"Not a population-derived interval. 30 mg/dL is the EAS 2022 consensus 'rule-out' level: below it, extra risk from Lp(a) is considered unlikely. Between 30 and 50 mg/dL is a grey zone, and 50 mg/dL or more is the usual 'high' cut-off (2018 AHA/ACC, 2026 ACC/AHA, and the 2016 EAS/EFLM suggestion for labs to flag at 50 mg/dL, about the 80th percentile in Europeans). Assays differ, so check the cut-offs printed on your own report. Mass results cannot be converted exactly to nmol/L.","sources":[{"title":"Lipoprotein(a) in atherosclerotic cardiovascular disease and aortic stenosis: a European Atherosclerosis Society consensus statement","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC9639807/","publisher":"European Heart Journal","year":2022},{"title":"Fasting is not routinely required for determination of a lipid profile: clinical and laboratory implications including flagging at desirable concentration cut-points (EAS and EFLM joint consensus statement)","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4929379/","publisher":"European Heart Journal","year":2016}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A cholesterol-carrying particle like LDL with an extra protein attached. Your level is mostly set by your genes and stays fairly steady through life.","url":"https://bloodtesttracker.com/markers/lipoprotein-a-mass","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}