Systemic Mastocytosis with Associated Hematologic Neoplasm, also known as systemic mastocytosis with an associated clonal hematologic non-mast cell lineage disease, is related to sm-ahnmd and myeloid leukemia. An important gene associated with Systemic Mastocytosis with Associated Hematologic Neoplasm is ASXL1 (ASXL Transcriptional Regulator 1). The drug Antigen-Antibody Complex has been mentioned in the context of this disorder. Affiliated tissues include bone marrow and bone, and related phenotypes are hematological neoplasm and myeloid leukemia