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What is a FACTOR VII, FUNCTIONAL?

Factor VII, Functional is a blood test that measures the activity of Factor VII, a protein essential for the blood-clotting process. It helps determine whether Factor VII is functioning adequately to support normal clot formation. The test is needed to investigate unexplained or prolonged bleeding, abnormal Prothrombin Time (PT/INR), suspected Factor VII deficiency, or certain inherited and acquired bleeding disorders, and may also help guide appropriate clinical management.

Additional Information

Also known as/ Other names: Factor VII Activity, Functional Factor VII Assay, Coagulation Factor VII Functional, Factor VII Functional Assay, Proconvertin Activity Test
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 is Factor VII?

Factor VII is a clotting protein produced mainly by the liver. It plays an important role in initiating the clotting process when a blood vessel is injured.

What does a low Factor VII activity level mean?

A low level indicates reduced Factor VII activity. This may occur due to inherited Factor VII deficiency or certain acquired conditions and requires clinical interpretation.

Can Factor VII deficiency cause bleeding?

Certainly. Reduced Factor VII activity can increase the tendency to bleed. The severity and type of bleeding can vary considerably between individuals.

What symptoms may occur with Factor VII deficiency?

Symptoms may include easy bruising, frequent nosebleeds, prolonged bleeding after injury or surgery, heavy menstrual bleeding, or other unusual bleeding episodes.

Is Factor VII deficiency inherited?

Yes, congenital Factor VII deficiency is a rare inherited bleeding disorder. Acquired reductions in Factor VII activity can also occur due to other medical conditions.

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