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Anti-Sm

  • Autoimmunity

Learn what Anti-Sm measures and how it fits into your health data.

What is Anti-Sm?

Anti-Smith (Anti-Sm) antibodies are extractable nuclear antigen autoantibodies that are highly specific for systemic lupus erythematosus (SLE). They are less sensitive than ANA or anti-dsDNA, but when present they strongly support an SLE diagnosis and are commonly used as part of connective tissue disease serology panels.

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