Extractable Nuclear Antigen-18 Antigens (ENA/ANA Qualitative)
MRP - ₹ 5,170
What is a Extractable Nuclear Antigen-18 Antigens (ENA/ANA Qualitative)?
The **Extractable Nuclear Antigen (ENA) Antibody Panel – 18 Antigens (ANA Qualitative)** test is a specialized blood test used to detect autoantibodies against specific nuclear proteins. These antibodies are commonly associated with autoimmune connective tissue diseases such as systemic lupus erythematosus, Sjögren’s syndrome, scleroderma, and mixed connective tissue disease. By identifying which ENA antibodies are present, the test helps clinicians confirm autoimmune diagnoses, differentiate between overlapping conditions, and guide appropriate treatment and monitoring strategies for affected patients.
Additional Information
| Also known as/ Other names: | ENA Profile 18 Antigen Panel, Extractable Nuclear Antigen Antibody Panel, ANA ENA Qualitative Profile, Comprehensive ENA Antibody Screen |
| Parameters: | 17 |
| Recommended for: | M/F/Others |
| Sample Type: | Blood |
| Patient Preparation: | No prior preparation is needed |
| Reports: | Next Day |
FAQs
It is a blood test that detects autoantibodies against 18 specific nuclear antigens, helping diagnose autoimmune connective tissue diseases.
A positive result indicates autoantibodies are present, suggesting an autoimmune condition that requires further clinical evaluation.
A negative result means no detectable ENA antibodies, reducing the likelihood of autoimmune disease but not ruling it out completely.
Yes, certain ENA antibodies such as anti-Smith and anti-RNP are strongly associated with systemic lupus erythematosus.
No, it is primarily diagnostic. Quantitative antibody tests or clinical monitoring are used to track treatment response.
Not always. Results must be interpreted alongside symptoms, medical history, and other diagnostic tests.
Yes, autoimmune diseases linked to ENA antibodies often present with joint pain, stiffness, and inflammation.
