Platelet Antibodies by IFA Serum
Also Known As
Test Parameters Included
- Serum Platelet Antibody Concentration (qualitative/semi-quantitative) detected by Indirect Immunofluorescence Assay
- Pathologist Immunology Remark - correlated with immune thrombocytopenia reference interpretation
Department
Methodology
Sample Required
Preparation
Schedule Report
24 Hours
Emergency Report
Yes
Frequently Asked Questions
What does Platelet Antibodies by IFA test measure?
It detects autoantibodies directed against platelet surface antigens in serum using indirect immunofluorescence, aiding diagnosis of immune thrombocytopenic purpura (ITP) and other immune-mediated low platelet conditions.
Is fasting required for this test?
No, fasting is not required. Platelet antibody testing can be performed on a non-fasting serum sample.
What sample is needed and how much volume?
Serum sample of approximately 3 mL is required, collected in a plain clot activator tube and allowed to clot before centrifugation.
When is this test ordered clinically?
It is ordered when immune thrombocytopenia is suspected — unexplained low platelet count with bleeding manifestations such as petechiae, purpura, or mucosal bleeding, especially after other causes have been excluded.
Can medications affect the result?
Yes, immunosuppressive drugs, corticosteroids, and recent blood transfusions may alter antibody levels and produce false-negative results. Inform your doctor about all current medications before testing.
How long does it take to get the report?
Results are typically available within 48–72 hours. Verified PDF reports can be accessed via www.drpatholab.in or WhatsApp/Email.
Test Description
Test Code
PAI01
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