What is Non-HDL-C and Why Does the Cardio Zoomer Test for It?

Atherogenic cholesterol measure
Non-HDL-C is the portion of blood cholesterol carried by all non–HDL lipoproteins (total cholesterol minus HDL). Biologically, it reflects the combined cholesterol content of atherogenic particles and helps indicate overall atherogenic lipid burden. Measuring Non-HDL-C adds breadth to lipid assessment and can reveal risk patterns that LDL-C alone may miss.
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About Non-HDL-C
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Non-HDL-C FAQs

What is Non-HDL-C and why is it important?
Non-HDL-C is the cholesterol carried by all lipoproteins except HDL — calculated as total cholesterol minus HDL. It captures the combined cholesterol in particles that can contribute to long-term vascular stress. Because it includes remnants and other atherogenic particles, it gives a broader view of lipid-related risk than LDL-C alone.
What does it mean if my Non-HDL-C levels are low?
Low Non-HDL-C typically reflects a lower burden of cholesterol in atherogenic particles, which is often seen with favorable lipid patterns. It can also occur with low overall cholesterol states, certain metabolic conditions, or as an effect of medications. Full interpretation depends on other Cardio Zoomer results and clinical context.
What does it mean if my Non-HDL-C levels are high?
Higher Non-HDL-C indicates greater cholesterol carried by atherogenic lipoproteins and is associated with patterns such as elevated triglyceride-rich remnants, altered lipoprotein metabolism, or inherited lipid traits. Elevated values point to a need to evaluate related lipid, metabolic, inflammatory, and genetic markers to understand underlying drivers.
Why is Non-HDL-C included in the Cardio Zoomer?
Non-HDL-C provides a simple, inclusive measure of atherogenic cholesterol that complements particle-specific markers like ApoB and Lp(a). In Cardio Zoomer, it helps clinicians integrate lipid quality with inflammation, metabolism, endothelial and genetic data to define individualized cardiovascular risk patterns.

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