familial hypercholesterolemia (MONDO_0005439) can be described as follows. An inheritable form of hyperlipidemia, in which there are excess lipids in the blood. Also known as: Fredrickson type IIa hyperlipoproteinemia, Fredrickson type IIa lipidaemia, familial hyperbetalipoproteinaemia, familial hypercholesteremia, hyperbetalipoproteinemia, hyperlipoproteinemia type II.