Hypolipoproteinemias

**Definition:** Conditions with abnormally low levels of LIPOPROTEINS in the blood. This may involve any of the lipoprotein subclasses, including ALPHA-LIPOPROTEINS (high-density lipoproteins); BETA-LIPOPROTEINS (low-density lipoproteins); and PREBETA-LIPOPROTEINS (very-low-density lipoproteins).

**Tree numbers:** - C16.320.565.398.500 - C18.452.584.500.875 - C18.452.584.563.500 - C18.452.648.398.500

**Synonyms:** - Hypolipoproteinemia