Advanced Lipid Panel

What this test actually measures

Picture the particles that carry cholesterol around your body as delivery vans, and picture a road where some of them occasionally get stuck in the wall and start a slow pile-up that becomes plaque.

A standard lipid panel measures the cargo. LDL cholesterol is the amount of cholesterol carried inside your LDL particles, added up, which is essentially the weight of what is being shipped.

An advanced panel adds a count of the vans. Every atherogenic particle carries exactly one apolipoprotein B molecule on its surface, one particle to one apoB, no exceptions, so measuring apoB counts particles directly.

That matters because a particle enters an artery wall as a particle, regardless of how full it happens to be.

This panel also includes inflammation markers, which is the other half of the same story: particle count is what accumulates, and inflammation is a large part of what turns accumulation into damage.

What the extra numbers actually add

Your LDL cholesterol and your apoB usually agree. When they do, either one tells you roughly what you need to know.

The interesting question is what happens when they disagree, which researchers call discordance, and there is a clever reason to study exactly that. The two markers are so tightly correlated that ordinary statistics struggle to separate them, so discordance analysis isolates the people in whom they point different directions and asks which one was right.

A 2025 systematic review in the Journal of Clinical Lipidology gathered every such study it could find: fifteen studies, 593,354 participants, populations on and off statin therapy, four different analytical approaches.

ApoB outperformed LDL cholesterol in 9 of 9 comparisons. Against non-HDL cholesterol, apoB came out significantly more accurate in 7 studies, and the authors concluded that neither LDL-C nor non-HDL-C is an adequate clinical surrogate for apoB.

In the interest of giving you the whole picture, a 2026 Copenhagen General Population Study analysis in JAMA Cardiology, following 94,398 people for a median of over thirteen years, found non-HDL cholesterol and apoB associated with similar risk on continuous scales. So the specific comparison between those two is still live. The comparison people actually care about, apoB against the LDL cholesterol on their existing report, is where the evidence is consistent.

Here is the practical part. Discordance is not random. It concentrates in people with insulin resistance, high triglycerides, metabolic syndrome and type 2 diabetes, because those conditions produce more particles carrying less cholesterol each. Which means a reassuring LDL cholesterol is least trustworthy in exactly the group most likely to be told their cholesterol is fine.

On the inflammation side, hs-CRP has its own evidence. The JUPITER trial in 2008 randomised people with raised hs-CRP but not raised LDL to rosuvastatin or placebo and found a reduction in vascular events, which is to say inflammation identified people cholesterol alone did not.

Test details

What is measured: the standard lipid numbers alongside apolipoprotein B and inflammation markers.

Sample: blood draw.

Provider: Quest Diagnostics, ordered through Jess's practitioner dispensary.

Fasting: worth confirming with your ordering provider. Triglycerides rise after a meal, so a fasting draw makes the panel comparable to previous results, though apoB itself is far less affected.

Turnaround: results typically within a few business days of the sample reaching the lab.

Order this test.

How the pricing works

I want to be straightforward about this, because lab pricing in the wellness industry frequently is not.

Jess takes no markup on the test itself. The lab cost is passed through exactly as it comes. What you pay is the test cost, the dispensary's service fee, the authorization fee, the collection fee where one applies, a flat handling fee for placing and managing the order, and the card processing cost. The handling fee is the part that is Jess's, and it is flat regardless of how expensive the test is.

That structure is deliberate. A percentage markup on labs creates an incentive to recommend expensive tests, and this way there is not one.

Because every blood test in one order shares a single draw fee, adding a second or third test to the same order costs considerably less than ordering them separately. The full lab menu shows what shares a draw with this one, and the order page itemises every fee before you pay.

Who this test is worth running for

Anyone with a family history of early heart disease, and anyone who has been told their cholesterol is fine but has other metabolic signs.

Specifically worth it if your triglyceride to HDL ratio is above about 2.5, which you can calculate free from a lipid panel already in your records. A high ratio is the clearest flag that your LDL cholesterol may be understating your particle count.

Also worth it for anyone with insulin resistance, type 2 diabetes, polycystic ovary syndrome or excess weight around the middle, since those are precisely the conditions that produce discordance. And for anyone already on lipid-lowering treatment who wants to know whether particle count actually came down rather than only the cholesterol figure.

Ordering restrictions

The lab network cannot issue orders to residents of New York, New Jersey, Rhode Island, or Hawaii. New York, New Jersey, and Rhode Island prohibit direct-to-consumer lab testing outright, requiring a treating provider's signature on every requisition. Hawaii is excluded by the network. This is tied to where you live, not where the sample is collected, so it applies to kits as well as draws.

If you live in one of those four states, your doctor can order the same test.

What to do with the result

If apoB is raised, the levers are the same ones that lower LDL. Reducing saturated fat, increasing soluble fibre, losing excess visceral fat, and improving insulin sensitivity through exercise and sleep. Where medication is appropriate, that is a prescribing decision.

If apoB is raised while LDL cholesterol looked fine, that is exactly the discordance this panel exists to reveal, and it is the good version of this result because you found it.

If inflammation markers are raised, repeat before acting, since any recent infection, injury or hard training raises them temporarily. Persistently raised is the finding that matters.

Take it into a full risk conversation rather than treating a number. Blood pressure, blood sugar, family history and possibly imaging all belong in that discussion, and a blood test does not tell you whether plaque is already present.

Read the numbers alongside what they mean. The apoB and hs-CRP pages cover each in detail.