$16.00
Priced per marker, with baseline labs included. You’ll see your total before you pay.
Heart & circulation
Apolipoprotein A1 test
Main protein in HDL ('good' cholesterol); higher levels may be cardioprotective.
At a glance
In about 5 days
Most results are ready in about 5 days. Some specialty markers can take up to 21 days.
Check before your draw
This marker has no preparation tag, but it can still need preparation. Contact us before your draw if you’re not sure.
Walk in at Quest
Your lab order arrives by email. Most Quest locations take walk-ins, so bring it with a photo ID.
What it measures
ApoA1 is the main protein inside HDL, the “good” cholesterol carrier. It gives another view of your HDL, which helps move extra cholesterol out of your arteries.
Why it matters for women
Women can have higher levels than men, much like HDL. Heart risk can rise for women after menopause, and ApoA1 can add detail to a standard cholesterol check. It’s often read with ApoB, which reflects the particles that can clog arteries.
You might check it if…
- heart disease runs in your family
- your HDL has come back low on a cholesterol test
- you’re past menopause and want a fuller heart picture
What your result may mean
High Apolipoprotein A1: what it may mean
High ApoA1 may be a good sign, because this main HDL protein can reflect a healthy HDL pool that helps move cholesterol out of your arteries. Estrogen can raise it, so levels can run higher in women than in men, and higher still in pregnancy or on estrogen birth control. Regular exercise can lift it a little as well. A high value can't cancel out other risks, such as high ApoB, high blood pressure or a family history of heart disease.
Low Apolipoprotein A1: what it may mean
Low ApoA1 may add to your risk of heart disease, and it can come with insulin resistance, high triglycerides (hypertriglyceridemia), inflammation or smoking. Your genes can play a part as well, and rare inherited conditions can push it very low. Levels can drop after menopause as estrogen falls, which may be part of why heart risk can climb then. You may feel completely well, since low ApoA1 can cause no symptoms. ApoB and blood sugar results can add to the view.
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No insurance required · HSA/FSA eligible · No subscription
These notes provide context and do not diagnose a condition. Not yet available in NY, NJ, RI, HI, ND, SD or WV.