t(11;19)(q23.3;p13.3)

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A cytogenetic abnormality that refers to the translocation of the long arm (q23.3) of chromosome 11 and the short arm (p13.3) of chromosome 19. It is associated with KMT2A (MLL)/MLLT1 (ENL) fusions and acute myeloid leukemia.

**Synonyms:** - t(11;19)(q23;p13.3) - t(11;19)(q23;p13.3)