S31.109 - Unspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavity S31.1 - Open wound of abdominal wall without penetration into peritoneal cavity S31.10 - Unspecified open wound of abdominal wall without penetration into peritoneal cavity S31.109 - Unspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavity