Apolipoprotein A1

1,000.00

The Apolipoprotein A1 (ApoA1) test is a blood test used to measure the level of ApoA1, the major protein component of high-density lipoprotein (HDL), often referred to as the “good cholesterol.” ApoA1 plays a key role in the transport of cholesterol from tissues to the liver, where it is removed from the body.
Since ApoA1 is directly involved in reverse cholesterol transport, its level reflects the body’s capacity to clear cholesterol and prevent plaque buildup in arteries. Low levels may indicate an increased risk of cardiovascular disease.

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    Description

    Why It’s Done:

    The ApoA1 test is ordered to:
    • Evaluate cardiovascular risk, especially in combination with Apolipoprotein B (ApoB) testing
    • Assess HDL function and cholesterol transport efficiency
    • Monitor treatment response in patients on lipid-lowering therapies
    • Diagnose rare inherited disorders of lipid metabolism (e.g., Tangier disease)
    It may be especially useful when:
    • Total cholesterol and HDL levels provide unclear cardiovascular risk insights
    • There’s a family history of premature heart disease
    • The patient has metabolic syndrome, type 2 diabetes, or other chronic conditions

    Preparation:

    • Fasting is usually not required, but some doctors may recommend fasting (8–12 hours) for a more comprehensive lipid profile.
    • A blood sample will be drawn from a vein in the arm.
    • Inform your doctor about:
    o Any medications or supplements, especially those affecting lipid metabolism
    o Existing conditions such as liver disease, kidney disease, or malnutrition