ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.1 > S31.15 > S31.15A S31.15A Open bite of abdominal wall, unspecified flank without penetration into peritoneal cavity Non-Billable/Non-Specific Applicable To Open bite of abdominal wall of flank NOS without penetration into peritoneal cavity Codes S31.15AA..., initial encounterS31.15AD..., subsequent encounterS31.15AS..., sequela