phospholipid analysis of serum lipoprotein fraction 2014-01-14T16:04:16Z A laboratory test which measures the level of one or more phospholipids, phosphorous-containing lipids composed mainly of fatty acids, a phosphate group, and a simple organic molecule, in a lipoprotein fraction of serum. Serum lipoprotein fractions are samples resulting from the separation of the components of serum on the basis of density, such as by density gradient ultracentrifugation. JSmith MMO:0000467 measurement_method_ontology serum lipoprotein fraction phospholipid analysis serum lipoprotein fraction phospholipid measurement test true