Dr. Essa Laboratory and Diagnostic Centre PT, APTT Test Price and Details

Last Updated On Sunday, April 27, 2025

What is the pt aptt Test?

The PTT is primarily used to look into unusual bleeding or clotting. It could be requested combined with a prothrombin time (PT/INR) to assess the body's ability to clot the blood to try and stop bleeding when looking into problems involving heavy bleeding or clotting, these tests are typically the first step. The PT test aids in the diagnosis of clotting issues and is employed to monitor patients on specific drugs.

A test known as the activated partial thromboplastin time (aPTT) is used to examine bleeding disorders and keep track of patients receiving an anticlotting medication like heparin, which suppresses factors X and thrombin while generating anti-thrombin.

When is a pt aptt performed?

A test known as the activated partial thromboplastin time (aPTT) is used to examine bleeding disorders and keep track of patients receiving an anticlotting medication like heparin, which suppresses factors X and thrombin while releasing anti-thrombin. It gauges how long it takes for a blood clot to develop. Normally, when one of your blood vessels is injured, clotting factors—proteins in your blood—combine in a specific order to create blood clots and rapidly halt bleeding.

What does pt aptt detect?

The prothrombin test particularly assesses the presence of prothrombin, fibrinogen, and factors VII, V, and X. Depending on the source of thromboplastin employed, a prothrombin time between 11 and 15 seconds shows that the patient has normal levels of the clotting factors mentioned above. A lack of prothrombin, fibrinogen, factors VII, X, or V is indicated by a prolonged prothrombin time. It could indicate that the patient has a vitamin K deficit or liver disease since vitamin K is a co-factor in the production of functional factors II (prothrombin), VII, IX, and X. (the liver is the site of synthesis of the plasma protein factors).

PTT evaluates both common clotting routes and the endogenous system (Factors XII, XI, VIII, and IX). Elevated levels suggest a clotting factor may be absent or damaged in a person with a bleeding condition. At this stage, additional research is required, which justifies the use of sensitive assays for certain coagulation factors. The PTT rises as factor synthesis is reduced as a result of liver illness.

What are the benefits of this test?

The partial thromboplastin time (PTT; also referred to as activated partial thromboplastin time [aPTT]) is a screening test that evaluates someone's capacity to form blood clots correctly. It counts the number of seconds that pass after drugs (reagents) are administered before clot forms in a sample of blood.

A prothrombin time is frequently ordered in addition to a PTT when investigating bleeding or clotting events or excluding a bleeding or clotting condition (such as during preoperative examination) (PT). To help exclude or identify the source of a bleeding or clotting condition, a healthcare professional will review the outcomes of both tests.

When should I know the results of the ptt apt test?

A medical diagnosis of your health is made using the PT and APTT test, which is performed at medical laboratories. Your PT and APTT samples will be taken and processed in the lab for this test. The testing time for the PT and APTT is two days (s).

pt aptt Test Results ranges

The aPTT's reference range is 30 to 40 seconds. The PTT's reference range is between 60 and 70 seconds. The recommended range for patients receiving anticoagulant treatment is 1.5–2.5 times the control value in seconds.

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