This test measures the amount of apo A-I in the blood.

apo A-I is a protein that has specific roles in the transportation and metabolism of lipids and is the main protein component HDL


There are two forms of apolipoprotein A: apo A-I and apo A-II.

Apo A-I is found in greater proportion than apo A-II (about 3 to 1).


Why Get Tested?

It's done to ...

determine whether or not you have an adequate level of apo A-I


And to help determine your risk of developing cardiovascular disease (CVD)

When To Get Tested?

It's usually done when....

Uou have a low value of HDL-C, high cholesterol and triglycerides

U have family history of CVD;

monitoring the effectiveness of lipid treatment




Results & interpretation

For men, the normal range is 110 to 180 mg/dL;

for women, the normal range is 110 to 205 mg/dL


The concentration of apo A-I can be measured directly and tends to rise and fall with HDL levels.


Deficiencies in apo A-I correlate with an increased risk of developing CVD.

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