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BlogCareersSuperpower Labs
Biomarkers
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Heart & Vascular Health

Left Circumflex Calcium Score Test

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The Left Circumflex (LCx) Calcium Score measures how much hardened, cholesterol-rich plaque sits in the left circumflex artery, which branches off the left main and curves around the side and back of the heart, feeding the outer wall of the left ventricle.

Last updated
September 1, 2026

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