Serum/plasma substance concentration (qualitative) for a specific protein or peptide marker related to vascular or pulmonary function (e.g., soluble urokinase plasminogen activator receptor, or sUPAR)

What This Test Measures

This test looks for specific proteins in your blood that are linked to processes involving blood vessels or lung function. These proteins can provide clues about how your body is handling blood flow or lung health, though the exact protein may vary based on clinical need.

Why It Might Be Ordered

Your doctor may recommend this test if you have symptoms like shortness of breath, circulation issues, or if you’re being evaluated for conditions affecting blood vessels or lungs. It’s sometimes used alongside other tests to get a clearer picture of your health.

How the Test Works

A blood sample is taken, and the lab analyzes it for specific proteins using advanced techniques like immunoassay. The result is qualitative (yes/no presence) rather than a numerical value.

What to Expect Before the Test

No special preparation is needed for this test. You can eat, drink, or take medications as usual on the day of your blood draw. If you’re on blood thinners, let your doctor know before the test.