COAGULATION SCREEN - BASIC (PT, INR, APTT)

The COAGULATION SCREEN - BASIC (PT, INR, APTT) is a group of blood tests used to evaluate how well the blood clots. These tests measure the time taken for blood to form a clot and help assess the functioning of clotting factors in the body.

• PT (Prothrombin Time) measures how quickly blood clots through the extrinsic pathway.
• INR (International Normalized Ratio) standardizes PT results for accurate comparison.
• APTT (Activated Partial Thromboplastin Time) evaluates the intrinsic clotting pathway.

This test is essential in diagnosing bleeding disorders, monitoring anticoagulant therapy, and assessing liver function.

Benefits of the Test

• Detects bleeding and clotting disorders
• Monitors blood thinner medications (like warfarin)
• Assesses liver function related to clotting factors
• Helps prevent excessive bleeding during surgery
• Identifies risk of abnormal blood clot formation
• Supports safe medical and surgical planning

Why Doctors Recommend This Test

Doctors recommend a coagulation screen when patients have unexplained bleeding, frequent bruising, or before surgical procedures. It is also essential for patients on blood-thinning medications to ensure correct dosage and prevent complications.

Additionally, it is used to evaluate liver disease since clotting factors are produced in the liver.

Preparation Before Test

• No fasting is usually required
• Inform doctor about anticoagulant medications
• Avoid stopping prescribed medicines without medical advice
• Inform about liver disease or bleeding history
• Follow doctor instructions carefully if pre-surgery testing

Normal Reporting Time

Results are typically available within 4 to 24 hours, depending on laboratory processing time.

Who Should Take This Test

• Patients with unexplained bleeding or bruising
• Individuals before surgical procedures
• Patients on blood thinners (warfarin therapy)
• People with liver disease or dysfunction
• Individuals with clotting disorders history
• Pre-operative screening patients