Fasting Required: No Specimen: Blood Results: 3-5 Business Days Description: High Lipoprotein(a) is a risk factor for coronary heart disease (CHD), cerebrovascular disease (CVD), atherosclerosis, thrombosis, and stroke. Methodology Immunoturbidimetric Reference Range(s) <75 nmol/L Clinical Significance Elevated concentrations of Lp(a) are associated with increased risk of coronary artery disease. Alternative Name(s) Lp (a)