ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.65 > S31.652 S31.652 Open bite of abdominal wall, epigastric region with penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.652A..., initial encounterS31.652D..., subsequent encounterS31.652S..., sequela