S35.31 Injury of portal veinNon-billable header with 3 child codes.
S35.311 Laceration of portal veinS35.318 Other specified injury of portal veinS35.319 Unspecified injury of portal veinS35.299 Unspecified injury of branches of celiac and mesenteric arteryS35.299A Unspecified injury of branches of celiac and mesenteric artery, initial encounterS35.299D Unspecified injury of branches of celiac and mesenteric artery, subsequent encounterS35.299S Unspecified injury of branches of celiac and mesenteric artery, sequelaS35.3 Injury of portal or splenic vein and branchesS35.31 Injury of portal vein (this code)S35.311 Laceration of portal veinS35.311A Laceration of portal vein, initial encounterS35.311D Laceration of portal vein, subsequent encounterS35.311S Laceration of portal vein, sequelaS35.318 Other specified injury of portal vein