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Lipoprotein Subfractions

Meaning

Lipoprotein Subfractions refers to the detailed classification of circulating lipoproteins, such as Low-Density Lipoprotein (LDL) and High-Density Lipoprotein (HDL), into distinct size and density subclasses. This advanced lipid testing reveals a more nuanced picture of cardiovascular risk than standard cholesterol panels. Specifically, the presence of small, dense LDL (sdLDL) particles is a critical indicator of an atherogenic profile, independent of total LDL cholesterol levels.