ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.60 > S31.606 S31.606 Unspecified open wound of abdominal wall, right flank with penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.606A..., initial encounterS31.606D..., subsequent encounterS31.606S..., sequela