The term VACTERL is an acronym representing a non-random association of birth defects that affect multiple parts of the body. The letters stand for Vertebral defects, Anal atresia, Cardiac defects, Tracheo-Esophageal fistula, Renal anomalies, and Limb abnormalities. This condition is also referred to as VATER association when referring to a subset of these anomalies.