ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.60 > S31.60A S31.60A Unspecified open wound of abdominal wall, unspecified flank with penetration into peritoneal cavity Non-Billable/Non-Specific Applicable To Unspecified open wound of abdominal wall of flank NOS, with penetration into peritoneal cavity Codes S31.60AA..., initial encounterS31.60AD..., subsequent encounterS31.60AS..., sequela