A healthy serum cholesterol level is 200 milligrams per deciliter or below, according to Mayo Clinic. Readings of 200 to 239 mg/dL are considered borderline high, while readings of 240 mg/dL are classified as high. Keeping cholesterol levels within healthy limits reduce...
The normal, and desirable, total cholesterol level is any level less than 200 milligrams per deciliter of blood, according to the National Institutes of Health. Optimal levels of LDL and HDL cholesterol are less than 100 milligrams and 40 milligrams per deciliter of blo...
A "bad" or high total cholesterol level is considered 240 milligrams of cholesterol per deciliter of blood or higher in the United States as of 2015, according to Mayo Clinic. A high LDL cholesterol level falls within the range of 160 to 189 milligrams per deciliter.
Causes of high cholesterol include such lifestyle choices as diet, weight and activity levels, but they also include genetic makeup, according to Mayo Clinic. Both family history and lifestyle play a role in one's cholesterol totals.
According to the American Heart Association, a healthy blood cholesterol level lower than 180 milligrams per deciliter is ideal, but some charts consider readings of up to 200 healthy. Total cholesterol is calculated by adding HDL, or good cholesterol; LDL, or bad chole...
Safe levels of total cholesterol fall anywhere beneath 200 milligrams per deciliter of blood, according to the American Heart Association. Total cholesterol is the sum of LDL and HDL cholesterol. LDL should be lower than 100 milligrams per deciliter, while HDL should be...
A blood test is used to measure cholesterol levels. This test can indicate the total amount of cholesterol in the blood, including low density and very low density lipoproteins, high-density lipoproteins and triglycerides, explains Healthline and About.com.