Serum or plasma concentration of a substance related to vascular or cardiac function (likely a biomarker for endothelial or vascular health, such as soluble endothelial cell adhesion molecule or similar)

What This Test Measures

This test detects levels of a protein or substance that plays a role in maintaining healthy blood vessels. While the exact function varies by specific biomarker, it often reflects inflammation, endothelial function, or vascular damage. Some biomarkers may also indicate risk for cardiovascular events.

Why It’s Ordered

Your healthcare provider may order this test if you have symptoms of vascular issues (e.g., chest pain, fatigue), a history of heart disease, or if you’re at higher risk for cardiovascular problems. It may also be used in routine screening or monitoring certain conditions.

What to Expect Before the Test

No special preparation is typically needed. You may have blood drawn from a vein in your arm, or urine may be collected if applicable. If you’re on blood thinners, let your provider know before testing.

What the Results Mean

Results are interpreted by your healthcare provider based on your medical history and symptoms. Elevated levels may signal inflammation, vascular stress, or increased risk for heart-related issues. Lower levels might indicate normal function or other underlying conditions.