ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.65 > S31.654 S31.654 Open bite of abdominal wall, left lower quadrant with penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.654A..., initial encounterS31.654D..., subsequent encounterS31.654S..., sequela