S31.602⚠ Requires 7th Character

Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity

Unspecified open wound of abdominal wall, epigastric region …

7th Character Required

The appropriate 7th character is to be added to each code from category S31

This code is not valid for billing without a 7th character. Append one of the following to S31.602: