Lp “Little a”
Lp(a) determination is intended for use in conjunction with clinical evaluation, patient risk assessment, and other lipid tests to evaluate disorders of lipid metabolism and to assess coronary heart disease in specific populations.
Serum (preferred) or plasma
Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, green-top (heparin) tube, or blue-top (citrate) tube
Intake of alcohol, aspirin, niacin, and estrogen supplements have the potential of causing a misrepresentation of true Lp(a) concentrations.
Separate serum or plasma from cells as soon as possible (within two hours).
Refrigerate. Stable refrigerated for 14 days or frozen (if greater than 14 days)
Grossly hemolyzed, lipemic, or icteric specimens