Homozygous Familial Hypercholesterolemia

**Definition:** A rare inherited genetic disorder, one form of HYPERLIPOPROTEINEMIA TYPE II, characterized by high level of LOW-DENSITY LIPOPROTEIN (LDL) which if not treated could elevate the chance of heart attack at an early age.

**Tree numbers:** - C16.320.565.398.481.500 - C18.452.584.500.500.644.475.500 - C18.452.584.563.481.500 - C18.452.648.398.481.500

**Synonyms:** - HoFH