ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.60 > S31.607 S31.607 Unspecified open wound of abdominal wall, left flank with penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.607A..., initial encounterS31.607D..., subsequent encounterS31.607S..., sequela