Protein S Antigen

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Plasma, frozen

Blood Disorders
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Protein S Antigen

Protein S Antigen

Updated 7/24/2025

Walk-In Lab

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Protein S Antigen Blood Test

The Protein S Antigen test measures the amount of protein S in the blood to determine if excessive blood clots are due to a hereditary or acquired deficiency.

Updated 7/22/2025