A fundamental distinction in LDL cholesterol testing is that a direct LDL cholesterol test measures LDL cholesterol directly, whereas most other tests use a mathematical formula to determine LDL cholesterol.

The direct low-density lipoprotein cholesterol test (direct LDL-C) determines the amount of LDL cholesterol in the blood, also referred to as "bad" cholesterol. Increased LDL-C levels are linked to an increased risk of artery hardening (atherosclerosis) and heart disease.

Consuming too many high-fat foods can raise your cholesterol levels. High cholesterol is also caused by being overweight and inactive. Your cholesterol level is also influenced by your family history. Smoking also raises cholesterol levels. It reduces your HDL (high-density lipoprotein) levels 

The concentration should be between 100 and 129 mg/dL, which is close to or above the optimum level. 130-159 mg/dL is considered borderline high. High (160-189 mg/dL). 190 mg/dL and higher: Extremely high.

Diabetes is a disease that affects people (insufficient production of the hormone insulin) Obesity. Kidney disease is a condition that affects many people. Cushing's syndrome is a condition in which the body (an excess production of hormones) Hypothyroidism is a condition in which the thyroid gland is underactive (an underactive thyroid) Cirrhosis and nonalcoholic steatohepatitis are examples of liver diseases. Alcoholism.

A few dietary adjustments can help lower cholesterol and enhance heart health: Reduce your intake of saturated fats. Total cholesterol is raised by saturated fats, which are found predominantly in red meat and full-fat dairy products. Trans fats must be eliminated. Consume foods high in omega-3 fatty acids. Increase the amount of soluble fibre in your diet.