Apolipoprotein B (APO-B) is a protein found in low-density lipoprotein (LDL), commonly referred to as "bad cholesterol," and is a key component of atherogenic lipoproteins, which can lead to plaque buildup in the arteries. APO-B helps carry cholesterol and triglycerides through the bloodstream, and each LDL particle contains one APO-B molecule, making it a direct measure of the number of potentially harmful LDL particles in circulation.
The APO-B test measures the levels of this protein in the blood and is used to assess cardiovascular risk. High levels of APO-B are associated with an increased risk of atherosclerosis, heart attacks, and strokes because they correlate with the number of LDL particles, which can deposit cholesterol on artery walls. This test is sometimes considered more accurate than traditional cholesterol testing in assessing lipid-related cardiovascular risk.
Test Type:
Blood
Reporting:
Next Day
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Fasting:
Fasting not mandatory
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