part of part of has part has part characteristic of inheres in has modifier lipoprotein cholesterol Abnormal circulating cholesterol concentration Abnormal circulating lipoprotein cholesterol concentration 2011-02-07T09:47:29Z UMLS:C4023615 Abnormal lipoprotein cholesterol level Abnormal circulating lipoprotein cholesterol concentration Any deviation from the normal concentration of lipoprotein cholesterol in the blood circulation. Abnormality of the level of lipoprotein cholesterol HP:0010979 Lipoproteins transport fats (lipids) in the blood circulation. Lipids are insoluble in water, meaning that they could not be transported in the blood circulation on their own. There are five major types of lipoproteins: (i) chylomicrons; VLDL (very low-density lipoprotein); (iii) IDL (intermediate-density lipoprotein); (iv) LDL (low-density lipoprotein); and (v) HDL (high-density lipoprotein). Clinical measures assess the amount of cholesterol carried by different lipoproteins. For instance, LDL-cholesterol (LDL-C) is the maount of cholesterol carried by LDL. amount abnormal blood