ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.60 S31.60 Unspecified open wound of abdominal wall with penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.600Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavityS31.600A..., initial encounterS31.600D..., subsequent encounterS31.600S..., sequelaS31.601Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavityS31.601A..., initial encounterS31.601D..., subsequent encounterS31.601S..., sequelaS31.602Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavityS31.602A..., initial encounterS31.602D..., subsequent encounterS31.602S..., sequelaS31.603Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavityS31.603A..., initial encounterS31.603D..., subsequent encounterS31.603S..., sequelaS31.604Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavityS31.604A..., initial encounterS31.604D..., subsequent encounterS31.604S..., sequelaS31.605Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavityS31.605A..., initial encounterS31.605D..., subsequent encounterS31.605S..., sequelaS31.606Unspecified open wound of abdominal wall, right flank with penetration into peritoneal cavityS31.606A..., initial encounterS31.606D..., subsequent encounterS31.606S..., sequelaS31.607Unspecified open wound of abdominal wall, left flank with penetration into peritoneal cavityS31.607A..., initial encounterS31.607D..., subsequent encounterS31.607S..., sequelaS31.609Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavityS31.609A..., initial encounterS31.609D..., subsequent encounterS31.609S..., sequelaS31.60AUnspecified open wound of abdominal wall, unspecified flank with penetration into peritoneal cavityS31.60AA..., initial encounterS31.60AD..., subsequent encounterS31.60AS..., sequela