Antibodies To Extractable Nuclear Antigen – Quantitative

6,500.00

The Antibodies to Extractable Nuclear Antigen (ENA) test is a blood test that quantitatively measures the presence and levels of autoantibodies directed against specific nuclear proteins known as extractable nuclear antigens. These autoantibodies are associated with various autoimmune connective tissue diseases such as:
• Systemic lupus erythematosus (SLE)
• Sjögren’s syndrome
• Mixed connective tissue disease (MCTD)
• Scleroderma
• Polymyositis and dermatomyositis
Quantitative measurement helps to assess the extent of autoimmune activity and disease severity.

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    Description

    Why It’s Done:

    This test is ordered to:
    • Help diagnose and differentiate autoimmune diseases
    • Evaluate symptoms such as joint pain, skin rashes, muscle weakness, dry eyes, or mouth
    • Monitor disease activity and response to treatment in diagnosed autoimmune conditions
    • Assist in prognosis and management planning for connective tissue disorders

    Preparation:

    • No special preparation is generally required.
    • Blood is drawn from a vein, usually in the arm.
    • Inform your healthcare provider about any current medications, especially immunosuppressants, as they may affect test results.
    • No fasting is required.