Anti-Smith Antibody Positive

**Semantic type:** Finding

**Definition:** An indication that antibodies directed against Smith antigens have been detected in a sample. Smith antigens are epitopes derived from small nuclear ribonuclear proteins (snRNP) that are part of the spliceosome.

**Synonyms:** - Anti-Sm Antibody Positive - Anti-Sm-RNP Antibody Positive - Anti-Sm/RNP Antibody Positive