S31.13AD Puncture wound of abdominal wall without foreign body, unspecified flank without penetration into peritoneal cavity, subsequent encounter

S31.13AD is a new billable/specific and POA-exempt diagnosis code introduced in the 2026 ICD-10-CM used to classify the following condition: Puncture wound of abdominal wall without foreign body, unspecified flank without penetration into peritoneal cavity, subsequent encounter.