ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.65 S31.65 Open bite of abdominal wall with penetration into peritoneal cavity Non-Billable/Non-Specific Type 1 Excludes superficial bite of abdominal wall (S30.861, S30.871) Codes S31.650Open bite of abdominal wall, right upper quadrant with penetration into peritoneal cavityS31.650A..., initial encounterS31.650D..., subsequent encounterS31.650S..., sequelaS31.651Open bite of abdominal wall, left upper quadrant with penetration into peritoneal cavityS31.651A..., initial encounterS31.651D..., subsequent encounterS31.651S..., sequelaS31.652Open bite of abdominal wall, epigastric region with penetration into peritoneal cavityS31.652A..., initial encounterS31.652D..., subsequent encounterS31.652S..., sequelaS31.653Open bite of abdominal wall, right lower quadrant with penetration into peritoneal cavityS31.653A..., initial encounterS31.653D..., subsequent encounterS31.653S..., sequelaS31.654Open bite of abdominal wall, left lower quadrant with penetration into peritoneal cavityS31.654A..., initial encounterS31.654D..., subsequent encounterS31.654S..., sequelaS31.655Open bite of abdominal wall, periumbilic region with penetration into peritoneal cavityS31.655A..., initial encounterS31.655D..., subsequent encounterS31.655S..., sequelaS31.656Open bite of abdominal wall, right flank with penetration into peritoneal cavityS31.656A..., initial encounterS31.656D..., subsequent encounterS31.656S..., sequelaS31.657Open bite of abdominal wall, left flank with penetration into peritoneal cavityS31.657A..., initial encounterS31.657D..., subsequent encounterS31.657S..., sequelaS31.659Open bite of abdominal wall, unspecified quadrant with penetration into peritoneal cavityS31.659A..., initial encounterS31.659D..., subsequent encounterS31.659S..., sequelaS31.65AOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavityS31.65AA..., initial encounterS31.65AD..., subsequent encounterS31.65AS..., sequela