Portasystemic Shunt, Surgical

**Definition:** Surgical venous shunt between the portal and systemic circulation to effect decompression of the portal circulation. It is performed primarily in the treatment of bleeding esophageal varices resulting from portal hypertension. Types of shunt include portacaval, splenorenal, mesocaval, splenocaval, left gastric-caval (coronary-caval), portarenal, umbilicorenal, and umbilicocaval.

**Tree numbers:** - E04.035.760 - E04.100.814.868.937

**Synonyms:** - Portosystemic Shunt - Shunt, Surgical Portasystemic - Surgical Portasystemic Shunt - Portasystemic Shunt - Shunt, Surgical Portosystemic - Portosystemic Shunt, Surgical - Surgical Portosystemic Shunt