Lab test

Factor VIII (Anti Haemophilic)

The Factor VIII (Anti-Haemophilic) Test is a blood test used to measure Factor VIII activity to diagnose and monitor Hemophilia A and clotting disord…
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SampleBlood
CollectionHome or centre
FastingNot needed
How it works
1
Book in a minute
Add to cart, pick a date and time slot, pay online or at collection.
2
Sample collected at home or centre
A trained phlebotomist arrives in your slot with sealed, single-use kits.
3
Report on WhatsApp
Within 24 hours on WhatsApp and under My Orders.
Preparation
No special preparation needed unless your doctor advises otherwise.
About this test

The Factor VIII (Anti-Haemophilic) Test is a blood test used to measure Factor VIII activity to diagnose and monitor Hemophilia A and clotting disorders.

FACTOR VIII (ANTI HAEMOPHILIC)

This Test is a diagnostic blood test that measures the activity of Factor VIII, a crucial protein involved in the blood clotting process. Adequate levels of Factor VIII are necessary for normal clot formation.

A deficiency or dysfunction of Factor VIII can lead to Hemophilia A, a genetic bleeding disorder characterized by prolonged bleeding and difficulty in clot formation. This test is also used to evaluate unexplained bleeding, monitor treatment in hemophilia patients, and assess clotting function.

The purpose of the test is to:

FACTOR VIII (ANTI HAEMOPHILIC) Test

The Factor VIII (Anti-Haemophilic Factor) test measures the activity of clotting factor VIII, an essential protein involved in the blood-clotting process. Adequate factor VIII activity helps the body form stable blood clots and control bleeding.

The test is primarily used to investigate hemophilia A, an inherited bleeding disorder caused by reduced or absent factor VIII activity. It can also help determine the severity of factor VIII deficiency and may be used to monitor patients receiving factor VIII replacement therapy.

Factor VIII activity may also be reduced in certain acquired conditions, including acquired hemophilia A. Results are generally interpreted along with aPTT, other coagulation factor tests, bleeding history, and clinical findings.

This Test is Recommended for Individuals:

  • Individuals with suspected hemophilia A
  • Patients with unexplained or recurrent bleeding
  • People with a family history of inherited bleeding disorders
  • Individuals with an unexplained prolonged aPTT
  • Patients being evaluated for a suspected clotting factor deficiency
  • Individuals with known hemophilia A requiring treatment monitoring
  • Patients receiving factor VIII replacement therapy

FAQs

1. What does the Factor VIII test measure?
It measures the functional activity of clotting factor VIII, which is necessary for normal blood clot formation.

2. What does low Factor VIII activity indicate?
Low factor VIII activity may indicate hemophilia A or another factor VIII deficiency. The severity depends on the level of activity and the individual's bleeding history.

3. Is Factor VIII testing used to monitor hemophilia treatment?
Yes. Factor VIII activity testing can help healthcare providers monitor factor replacement therapy and assess whether treatment is achieving the desired factor VIII level.

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Questions people ask
How soon will I get my report?
Your report is delivered within 24 hours of sample collection — on WhatsApp and under My Orders.
Is home sample collection available?
Yes. A trained phlebotomist visits your home with sealed, single-use kits. Home collection is free.
Do I need to fast or prepare?
No fasting is required for this test unless your doctor advises otherwise.
How do I pay?
Pay online (UPI / cards) or pay at collection or at the centre. The price you see is what you pay — it includes the report, with no hidden charges.
Is the lab accredited?
Yes. Prima Diagnostics runs NABL-certified labs with strict quality control across 7 centres in Bengaluru.