ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.1 > S31.15 > S31.15A > S31.15AD S31.15AD Open bite of abdominal wall, unspecified flank without penetration into peritoneal cavity, subsequent encounter Billable/Specific Copy Code Copy Description Applicable To Open bite of abdominal wall of flank NOS without penetration into peritoneal cavity