Lp(a): the inherited risk you test once
Lp(a) is set by your genes and barely changes through life. Testing it once tells you something cholesterol cannot.
What is Lp(a)?
Lp(a) is an LDL like particle with an extra protein, apolipoprotein(a), attached to ApoB. Your level is set almost entirely by your genes.
It is fixed early and stays fairly steady for life. Diet, exercise and weight move it very little.
Why it is different
Most cholesterol numbers respond to how you live. Lp(a) mostly does not, and that is the whole point of it.
It shows a risk you were born with, not one you built up. That makes it a piece of information rather than a target to chase.
A raised level adds to heart and vascular risk over a lifetime. It can also affect the aortic valve, the valve at the exit of the heart.
Why test it once
The numbers that matter
| Reading | Lp(a) (nmol/L) | What it suggests |
|---|---|---|
| Optimal | below 75 | Little added inherited risk |
| Moderate | 75 to 125 | Worth a review with your doctor |
| Needs attention | above 125 | Tighten your other risks with your doctor |
Only a high value is flagged here, and a low result is reassuring. Ranges come from the PROTOCOL biomarker reference.
What to do with a high result
Who should check it
Anyone with a family history of early heart disease should consider it. So should anyone whose risk looks higher than their cholesterol explains.
If your own heart risk is otherwise borderline, it can tip the balance. That is often where it changes what a doctor advises.
What it does not do
A raised Lp(a) is not a diagnosis and not a reason to panic. It is one piece of a larger risk picture.
Plenty of people with a high level never have a heart problem. It shifts the odds, it does not decide your future.
What treatment can do
No widely used medicine lowers Lp(a) much today. New treatments aimed directly at it are in trials, not yet standard care.
So the plan now is to lower every risk around it. That is a space to watch over the next few years.
A common misunderstanding
A high Lp(a) does not mean your lifestyle failed you. It is inherited, not something you brought on yourself.
A normal result does not cancel your other risks either. You still look after your blood pressure, your weight and your cholesterol.
The bottom line
One test, once in your life, closes a real gap. It reveals a risk your cholesterol cannot show.
Ask whether it belongs in your next panel. It is quick, it is inherited, and it rarely needs repeating.
- Lipoprotein(a) and its Significance in Cardiovascular Disease. JAMA Cardiology, 2022.
What we published, what we read, and the one thing worth changing. Nothing to buy.
The markers a standard panel leaves out.
The Core Health Test measures 100+ markers, with a doctor to walk you through what each one means for you.
ApoB and Lp(a) in the Core Health Test