part of part of has part has part characteristic of has modifier lipoprotein cholesterol Abnormal circulating cholesterol concentration Abnormality of lipoprotein cholesterol concentration 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