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What is a FACTOR II, FUNCTIONAL?

The **Factor II, Functional test**—also known as the Prothrombin Activity Test—measures the activity of Factor II, a key protein involved in blood clotting. It helps evaluate clotting disorders, bleeding tendencies, or monitor anticoagulant therapy. The test is performed by collecting a blood sample, usually after overnight fasting. Patients are advised to discontinue heparin for 1 day and oral anticoagulants for 7 days (with physician approval) before sampling to ensure accurate results.

Additional Information

Also known as/ Other names: Prothrombin Activity Test, Factor II Activity, Functional Prothrombin Assay, Coagulation Factor II Functional, Factor II Functional Assay
Parameters: 1
Recommended for: M/F/Others
Sample Type: Blood
Patient Preparation: Overnight fasting is preferred. It is recommended that the patient discontinues heparin for 1 day and oral anticoagulants for 7 days prior to sampling as these drugs may affect test results. Discontinuation should be with prior consent from the treating physician.
Reports: 2 Days

FAQs

What does a low Factor II level mean?

A low Factor II level may indicate a bleeding disorder, liver disease, or vitamin K deficiency.

What does a high Factor II level mean?

Elevated Factor II levels may increase risk of abnormal clotting, such as deep vein thrombosis.

Who should undergo this test?

Patients with unexplained bleeding, clotting disorders, or those on anticoagulant therapy may need it.

Can diet affect results?

Vitamin K intake can influence clotting factors, so dietary habits may affect results.

Is repeat testing necessary?

Yes, if monitoring anticoagulant therapy or evaluating persistent clotting abnormalities, repeat testing is necessary.

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