| R10.81 | Abdominal tenderness | NON-BILLABLE CODE |
| R10.811 | Right upper quadrant abdominal tenderness | BILLABLE CODE |
| R10.812 | Left upper quadrant abdominal tenderness | BILLABLE CODE |
| R10.813 | Right lower quadrant abdominal tenderness | BILLABLE CODE |
| R10.814 | Left lower quadrant abdominal tenderness | BILLABLE CODE |
| R10.815 | Periumbilic abdominal tenderness | BILLABLE CODE |
| R10.816 | Epigastric abdominal tenderness | BILLABLE CODE |
| R10.817 | Generalized abdominal tenderness | BILLABLE CODE |
| R10.819 | Abdominal tenderness, unspecified site | BILLABLE CODE |
| R10.82 | Rebound abdominal tenderness | NON-BILLABLE CODE |
| R10.821 | Right upper quadrant rebound abdominal tenderness | BILLABLE CODE |
| R10.822 | Left upper quadrant rebound abdominal tenderness | BILLABLE CODE |
| R10.823 | Right lower quadrant rebound abdominal tenderness | BILLABLE CODE |
| R10.824 | Left lower quadrant rebound abdominal tenderness | BILLABLE CODE |
| R10.825 | Periumbilic rebound abdominal tenderness | BILLABLE CODE |
| R10.826 | Epigastric rebound abdominal tenderness | BILLABLE CODE |
| R10.827 | Generalized rebound abdominal tenderness | BILLABLE CODE |
| R10.829 | Rebound abdominal tenderness, unspecified site | BILLABLE CODE |
| R10.83 | Colic | BILLABLE CODE |
| R10.84 | Generalized abdominal pain | BILLABLE CODE |
