Hyperlipidemia is abnormally elevated lipids or lipoproteins in the bloodstream. It is the most common form of dyslipidemia. There are two subtypes of of hyperlipidemia, primary and secondary. Primary is caused by genetics, while the secondary subtype of caused by underlying factors such as diabetes. This type of abnormality is common in the general population and is considered to be a risk factor for cardiovascular disease. There is no definition found for hyperlipidemia NEC Nos online. It is not believed this is an actual condition.