What are the normal values for PT, PTT, bleeding time, and PLT?

1) PT: 10-12 seconds, PTT: 25-35 seconds, Bleeding Time: 2-7 minutes, PLT: 150,000-450,000/mm³
2) PT: 11-13 seconds, PTT: 30-40 seconds, Bleeding Time: 1-5 minutes, PLT: 100,000-400,000/mm³
3) PT: 12-14 seconds, PTT: 35-45 seconds, Bleeding Time: 3-8 minutes, PLT: 200,000-500,000/mm³
4) PT: 13-15 seconds, PTT: 40-50 seconds, Bleeding Time: 4-9 minutes, PLT: 250,000-550,000/mm³

The normal values for PT (Prothrombin Time) are 10-12 seconds, PTT (Partial Thromboplastin Time) are 25-35 seconds, bleeding time is 2-7 minutes, and PLT (Platelet Count) is 150,000-450,000/mm³.

PT measures the time it takes for blood to clot and is used to assess the extrinsic pathway of coagulation. PTT measures the time it takes for blood to clot and is used to assess the intrinsic pathway of coagulation. Bleeding time measures the time it takes for bleeding to stop after a small skin puncture and evaluates platelet function. PLT measures the number of platelets in the blood and is important for blood clotting.

The normal values for PT (Prothrombin Time), PTT (Partial Thromboplastin Time), bleeding time, and platelet count (PLT) are essential for evaluating the blood's ability to clot properly. The normal range for PT is between 11-13.5 seconds; for PTT, it is between 30-40 seconds. Bleeding time should ideally be within 1-9 minutes, depending on the method used. Finally, a healthy platelet count typically lies within the range of 150,000-450,000 platelets per microliter (μL) of blood. It is crucial to keep these values within the normal range as part of maintaining hemostasis, which platelets and coagulation factors facilitate to prevent excessive blood loss and enable wound healing.