ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.1 > S31.10 S31.10 Unspecified open wound of abdominal wall without penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.100Unspecified open wound of abdominal wall, right upper quadrant without penetration into peritoneal cavityS31.100A..., initial encounterS31.100D..., subsequent encounterS31.100S..., sequelaS31.101Unspecified open wound of abdominal wall, left upper quadrant without penetration into peritoneal cavityS31.101A..., initial encounterS31.101D..., subsequent encounterS31.101S..., sequelaS31.102Unspecified open wound of abdominal wall, epigastric region without penetration into peritoneal cavityS31.102A..., initial encounterS31.102D..., subsequent encounterS31.102S..., sequelaS31.103Unspecified open wound of abdominal wall, right lower quadrant without penetration into peritoneal cavityS31.103A..., initial encounterS31.103D..., subsequent encounterS31.103S..., sequelaS31.104Unspecified open wound of abdominal wall, left lower quadrant without penetration into peritoneal cavityS31.104A..., initial encounterS31.104D..., subsequent encounterS31.104S..., sequelaS31.105Unspecified open wound of abdominal wall, periumbilic region without penetration into peritoneal cavityS31.105A..., initial encounterS31.105D..., subsequent encounterS31.105S..., sequelaS31.106Unspecified open wound of abdominal wall, right flank without penetration into peritoneal cavityS31.106A..., initial encounterS31.106D..., subsequent encounterS31.106S..., sequelaS31.107Unspecified open wound of abdominal wall, left flank without penetration into peritoneal cavityS31.107A..., initial encounterS31.107D..., subsequent encounterS31.107S..., sequelaS31.109Unspecified open wound of abdominal wall, unspecified quadrant without penetration into peritoneal cavityS31.109A..., initial encounterS31.109D..., subsequent encounterS31.109S..., sequelaS31.10AUnspecified open wound of abdominal wall, unspecified flank without penetration into peritoneal cavityS31.10AA..., initial encounterS31.10AD..., subsequent encounterS31.10AS..., sequela