| S31.150 | Open bite of abdominal wall, right upper quadrant without penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.150A | Open bite of abdominal wall, right upper quadrant without penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.150D | Open bite of abdominal wall, right upper quadrant without penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.150S | Open bite of abdominal wall, right upper quadrant without penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.151 | Open bite of abdominal wall, left upper quadrant without penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.151A | Open bite of abdominal wall, left upper quadrant without penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.151D | Open bite of abdominal wall, left upper quadrant without penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.151S | Open bite of abdominal wall, left upper quadrant without penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.152 | Open bite of abdominal wall, epigastric region without penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.152A | Open bite of abdominal wall, epigastric region without penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.152D | Open bite of abdominal wall, epigastric region without penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.152S | Open bite of abdominal wall, epigastric region without penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.153 | Open bite of abdominal wall, right lower quadrant without penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.153A | Open bite of abdominal wall, right lower quadrant without penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.153D | Open bite of abdominal wall, right lower quadrant without penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.153S | Open bite of abdominal wall, right lower quadrant without penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.154 | Open bite of abdominal wall, left lower quadrant without penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.154A | Open bite of abdominal wall, left lower quadrant without penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.154D | Open bite of abdominal wall, left lower quadrant without penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.154S | Open bite of abdominal wall, left lower quadrant without penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.155 | Open bite of abdominal wall, periumbilic region without penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.155A | Open bite of abdominal wall, periumbilic region without penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.155D | Open bite of abdominal wall, periumbilic region without penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.155S | Open bite of abdominal wall, periumbilic region without penetration into peritoneal cavity, sequela | BILLABLE CODE |
| S31.159 | Open bite of abdominal wall, unspecified quadrant without penetration into peritoneal cavity | NON-BILLABLE CODE |
| S31.159A | Open bite of abdominal wall, unspecified quadrant without penetration into peritoneal cavity, initial encounter | BILLABLE CODE |
| S31.159D | Open bite of abdominal wall, unspecified quadrant without penetration into peritoneal cavity, subsequent encounter | BILLABLE CODE |
| S31.159S | Open bite of abdominal wall, unspecified quadrant without penetration into peritoneal cavity, sequela | BILLABLE CODE |
