Extractable Nuclear Antigen
Extractable Nuclear Antigen (ENA) panel detects autoantibodies associated with various connective tissue diseases (e.g. anti-Sm, anti-RNP, anti-SSA/SSB).
Why a doctor may order this
To help diagnose and classify connective tissue diseases such as SLE, Sjögren’s, mixed connective tissue disease.
Why you may need this
Further autoimmune classification (SLE, Sjögren’s, mixed connective tissue disease).
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