$39.00
Priced per marker, with baseline labs included. You’ll see your total before you pay.
Heart & circulation
OxLDL test
Oxidized LDL. Oxidized LDL particles — more atherogenic than native LDL.
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
LDL is often called “bad” cholesterol. This test measures LDL that has been damaged by oxidation, a chemical change a bit like rusting, which makes it more likely to help build plaque, the fatty buildup in arteries.
Why it matters for women
After menopause, LDL can rise and women’s heart risk can climb. A standard cholesterol test shows how much LDL you carry, not whether it’s been changed this way. Oxidized LDL is a newer marker, so it’s best read alongside your other heart results.
You might check it if…
- your cholesterol looks fine but heart disease runs in your family
- you’re going through menopause or are past it
- you want a more detailed look at your heart risk
What your result may mean
High OxLDL: what it may mean
High oxidized LDL (OxLDL) may mean more of your LDL, the so-called bad cholesterol, has been damaged by oxidative stress, a step that can help plaque form in your arteries (atherosclerosis). It can happen with high LDL, smoking, diabetes or metabolic syndrome, and it may run higher in some women with PCOS. LDL can rise after menopause, so this result may matter more at midlife. A high level may cause no symptoms, and a clinician may read this newer marker alongside your cholesterol panel and other heart results.
Low OxLDL: what it may mean
Low OxLDL may be a favorable result for heart health, since it can mean less of your LDL cholesterol has been damaged by oxidation. It may go along with low LDL overall, and cholesterol-lowering medicines can bring it down too. A low value can't rule out heart disease risk on its own, because blood pressure, smoking, diabetes and family history can still matter. Cholesterol can shift around menopause, so a past low result may not hold at midlife.
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These notes provide context and do not diagnose a condition. Not yet available in NY, NJ, RI, HI, ND, SD or WV.