Heterotaxy Syndrome

**Definition:** Abnormal thoracoabdominal VISCERA arrangement (visceral heterotaxy) or malformation that involves additional CONGENITAL HEART DEFECTS (e.g., heart isomerism; DEXTROCARDIA) and/or abnormal SPLEEN (e.g., asplenia and polysplenia). Irregularities with the central nervous system, the skeleton and urinary tract are often associated with the syndrome.

**Tree numbers:** - C14.240.400.592 - C14.280.400.592 - C15.604.744.146 - C16.131.077.401 - C16.131.240.400.592