BLOOD TEST · SMART CARE POLYCLINIC, DEIRA
ApoB explained
Counts the cholesterol-carrying particles that clog arteries: a sharper heart-risk measure than LDL.
Order it on its own, or build your own blood test profile — 4 or more tests save up to 30–50%.
What the ApoB test measures
Every particle that carries cholesterol into the artery wall (LDL, VLDL and their remnants) carries exactly one ApoB protein. Measuring ApoB therefore counts the harmful particles directly, which is why it can reveal risk that a normal-looking LDL hides.
What the result tells you
If it's raised
More cholesterol particles in the blood, and a higher long-term risk of heart attack and stroke, even when LDL looks acceptable.
Most useful when
Triglycerides are high, or you have diabetes or excess weight around the waist: the situations in which LDL most often underestimates risk.
A treatment target
It can be followed over time to see whether diet, exercise or medicine is bringing the particle count down.
How to prepare
- Fasting
- Not usually required
- Best time
- Any time of day
- Worth knowing
- Usually taken with a lipid profile; if that is fasting, both are taken together.
What can move the result
A result outside the usual range does not on its own mean something is wrong. These are the everyday explanations a doctor considers first.
Packages that include it
Frequently asked questions
Every particle that carries cholesterol into the artery wall (LDL, VLDL and their remnants) carries exactly one ApoB protein. Measuring ApoB therefore counts the harmful particles directly, which is why it can reveal risk that a normal-looking LDL hides. If it's raised: More cholesterol particles in the blood, and a higher long-term risk of heart attack and stroke, even when LDL looks acceptable.
Fasting: Not usually required. Best time: Any time of day. Usually taken with a lipid profile; if that is fasting, both are taken together.
Commonly: diet high in saturated fat; excess weight and type 2 diabetes; an underactive thyroid; family history of high cholesterol; cholesterol-lowering medicines. A single result is not a diagnosis. Values are read against the laboratory's own reference range and alongside your history, your symptoms and the rest of the panel — which is why every package includes a doctor to go through them with you.
At Smart Care Polyclinic, 29 Doha Centre, Al Maktoum Rd, Deira, Dubai. It is included in the Cardiac Panel, or it can be ordered on its own. Walk in during opening hours or call +971 (0)4 379 3562.
Sources
Written from current guidance and reviewed 18 October 2026.
- Cholesterol and heart riskAmerican Heart Association
- Apolipoprotein BTesting.com, Association for Diagnostics & Laboratory Medicine