Test Name: Apolipoprotein B
Formal Name: Apolipoprotein B
Other Names: Apo B, Apolipoprotein B
High indicates higher LDL particle count.
Why Test: Assess cardiovascular risk.
When to Test: Cardiac risk assessment.
Test Principle: Immunoassay.
Q1: Why not just check LDL? A1: LDL measures cholesterol mass; Apo B measures particle number. Particles cause damage.
