You’ve had your cholesterol checked. Maybe more than once. What you almost certainly have not had checked is Lp(a), a genetic heart risk marker that has nothing to do with diet or exercise and everything to do with a number your standard lipid panel does not include.
I see this gap constantly in my practice. Women come to me with a family history of heart disease, a mother or a sister who had a heart attack young, and a lipid panel that looks completely normal. Normal cholesterol does not rule out elevated Lp(a). Nobody is checking for it because it is not part of a routine panel. Yet it may explain family patterns that cholesterol numbers alone never could.
A study published January 7, 2026 in JAMA Cardiology followed 27,748 women for a median of 27.8 years. It found that Lp(a) heart risk in women shows up three decades out, long before symptoms or a diagnosis appear.
What the Study Found on Lp(a) Heart Risk in Women
Researchers from the Women’s Health Study tracked Lp(a) levels in women whose readings sat above 30 mg/dL, the 75th percentile in this cohort. That group showed a clearly elevated 30-year risk of major heart disease events and coronary heart disease compared to women with lower levels.
Here’s what that means at the extreme: women with Lp(a) above 120 mg/dL, the 99th percentile, had a 54% higher risk of major heart disease events and an 80% higher risk of coronary heart disease. They also had a 41% higher risk of ischemic stroke and a 63% higher risk of heart-related death, all compared to women below 10 mg/dL. These hazard ratios come from over 3,700 major heart events documented across nearly three decades of follow-up.
Why This Test Almost Never Gets Ordered
Lp(a) is largely genetic, set by birth, and does not move much with diet, exercise, or most medications. Because it is not modifiable in the way cholesterol is, many standard panels never test for it at all. That logic misses the point entirely. A marker does not need to be easily treatable to be worth knowing. Instead, it needs to change how aggressively you manage everything else that is modifiable, a point the American Heart Association’s Lp(a) resource also makes to patients.
What This Means for You
If heart disease runs in your family and your cholesterol has always looked fine, Lp(a) is very likely the missing piece. This is a one-time test. Levels do not fluctuate the way cholesterol can. So once you know your number, you know it for life.
Women with elevated Lp(a) benefit from more aggressive management of every other heart risk factor: blood pressure, inflammation markers, blood sugar, and lifestyle factors within your control. Knowing your Lp(a) number does not change your genetics. Instead, it changes how seriously you and your doctor treat everything else, which is exactly the approach Living Well Dallas Functional Medicine Center takes with every heart risk workup.
Who Should Ask for This Test
Any woman with a family history of early heart disease, a parent or sibling with a heart attack or stroke before age 55, should ask for Lp(a) testing specifically. It is a simple blood draw, typically not included unless you request it by name.
Key Takeaways
- A 2026 study of 27,748 women found Lp(a) predicts major heart disease risk up to 30 years before symptoms appear.
- Women with Lp(a) above 120 mg/dL had a 54% higher risk of major heart events and an 80% higher risk of coronary heart disease compared to women with the lowest levels.
- Lp(a) is largely genetic and stays stable over a lifetime, making it a one-time test rather than something to monitor repeatedly.
- Standard cholesterol panels do not include Lp(a), so normal cholesterol does not rule out this risk.
- Women with a family history of early heart disease should specifically request Lp(a) testing by name.
Frequently Asked Questions
What is Lp(a) and how is it different from cholesterol? Lp(a) is a genetic particle that carries cholesterol through the bloodstream, but it behaves differently than standard LDL cholesterol. It drives heart risk through a distinct pathway involving inflammation and clotting. Your standard lipid panel does not measure it at all.
Why hasn’t my doctor ever mentioned Lp(a) to me? Lp(a) testing is not part of routine lipid panels in most primary care settings, largely because it is genetic and doctors have historically had fewer treatment options for it. That is changing as more research, including this study, shows how much predictive value the number carries on its own.
Understanding Your Risk
If Lp(a) is genetic, is there any point in testing for it? Yes. Even though Lp(a) itself is hard to change directly, knowing your number tells you and your doctor how aggressively to manage every other heart risk factor you do control. That includes blood pressure, blood sugar, and inflammation.
Does a normal cholesterol panel mean my Lp(a) is probably fine too? No. Doctors measure Lp(a) separately, and it does not correlate reliably with standard cholesterol numbers. Women in this study with completely normal cholesterol still showed elevated 30-year heart risk when Lp(a) was high.
Getting Tested
How do I get tested for Lp(a)? Ask your doctor directly for an Lp(a) blood test by name, since it is rarely included automatically. It requires a single blood draw. Because levels stay stable over your lifetime, you typically only need the test once.
What should I do if my Lp(a) comes back elevated? Work with a doctor experienced in root-cause, personalized heart risk management. Together, address every modifiable factor more aggressively: inflammation, blood pressure, blood sugar, and lifestyle. An elevated Lp(a) is a call to action on everything else, not a diagnosis to fear in isolation.
Dr. Betty’s Bottom Line
Women come to me with family histories that terrify them and lipid panels that offer no explanation. This study is exactly why that gap exists. Lp(a) heart risk in women is real, it is measurable, and it sits outside nearly every standard lab order in this country.
I order Lp(a) for every patient with a family history of early heart disease. A single blood draw can tell us more about 30-year risk than a decade of “normal” cholesterol panels ever will. This is not about fear. It is about giving you the actual number so we can build a real prevention plan around it instead of guessing.
In-person care at Living Well Dallas Functional Medicine Center is available for patients in the Dallas area, including Lp(a) testing and a full heart risk workup that goes beyond a standard cholesterol panel. If heart disease runs in your family and nobody has ever ordered this test, that conversation starts here.
Source: Nordestgaard AT, et al. Thirty-Year Risk of Cardiovascular Disease Among Healthy Women According to Clinical Thresholds of Lipoprotein(a). JAMA Cardiology. Published online January 7, 2026.