Protein S (Blood)
*Protein S Blood ... Lab Test: Protein S (Blood) ... This test measures levels of protein S, a protein in the blood that helps it to clot. Protein S ... , to help your blood clot normally. If you don't have enough protein S in your blood, you may have a ... protein S;blood test;clotting disorder;deep vein thrombosis;pulmonary embolism;blood clots;protein S deficiency