ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.60 > S31.600 S31.600 Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.600A..., initial encounterS31.600D..., subsequent encounterS31.600S..., sequela