ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.1 > S31.10 > S31.100 S31.100 Unspecified open wound of abdominal wall, right upper quadrant without penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.100A..., initial encounterS31.100D..., subsequent encounterS31.100S..., sequela