ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.65 > S31.653 S31.653 Open bite of abdominal wall, right lower quadrant with penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.653A..., initial encounterS31.653D..., subsequent encounterS31.653S..., sequela