LDL cholesterol test
What is being analysed in this test?
LDL cholesterol, or low-density lipoprotein cholesterol, is a type of cholesterol found in the blood. This test measures the amount of LDL cholesterol present in the bloodstream.
What does the result mean?
The result indicates the level of LDL cholesterol in the blood. High levels of LDL cholesterol are associated with an increased risk of heart disease and other cardiovascular complications.
Why is this test performed?
The analysis is performed to assess an individual's risk of developing heart disease and to monitor the effectiveness of cholesterol-lowering treatments. It is often performed alongside other lipid profile tests, such as total cholesterol, HDL cholesterol, and triglycerides.
When should the analysis be done?
The analysis is typically recommended as part of a routine cholesterol screening for adults, especially those with risk factors such as obesity, high blood pressure, diabetes, or a family history of heart disease.
What sample is required?
A blood sample is required for this analysis. It is usually obtained through a simple blood draw from a vein in the arm.
Is any prior preparation necessary?
Fasting for 9 to 12 hours is often required before the test to obtain accurate results. However, some healthcare providers may perform non-fasting LDL cholesterol tests.
What are the normal values?
Normal LDL cholesterol levels vary depending on individual risk factors and health conditions. However, in general:
LDL cholesterol level |
Interpretation |
---|---|
Less than 100 mg/dL |
Optimal |
100-129 mg/dL |
Near optimal |
130-159 mg/dL |
Borderline high |
160-189 mg/dL |
High |
190 mg/dL and above |
Very high |
Remember, interpreting LDL cholesterol levels should be done in consultation with a doctor who can provide personalised advice and treatment recommendations based on individual health factors and risk profiles.
What does having elevated values indicate?
Elevated LDL cholesterol levels indicate an increased risk of heart disease. Lowering LDL cholesterol through lifestyle changes (such as diet and exercise) and/or medications can help reduce this risk.