| S31.600 | Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.600A | Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.600D | Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.600S | Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.601 | Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.601A | Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.601D | Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.601S | Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.602 | Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.602A | Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.602D | Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.602S | Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.603 | Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.603A | Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.603D | Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.603S | Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.604 | Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.604A | Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.604D | Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.604S | Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.605 | Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.605A | Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.605D | Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.605S | Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.609 | Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.609A | Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.609D | Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.609S | Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity, sequela | BILLABLE CODE |
