| S80.911 | Unspecified superficial injury of right knee | NON-BILLABLE CODE |
| S80.911A | Unspecified superficial injury of right knee, initial encounter | BILLABLE CODE |
| S80.911D | Unspecified superficial injury of right knee, subsequent encounter | BILLABLE CODE |
| S80.911S | Unspecified superficial injury of right knee, sequela | BILLABLE CODE |
| S80.912 | Unspecified superficial injury of left knee | NON-BILLABLE CODE |
| S80.912A | Unspecified superficial injury of left knee, initial encounter | BILLABLE CODE |
| S80.912D | Unspecified superficial injury of left knee, subsequent encounter | BILLABLE CODE |
| S80.912S | Unspecified superficial injury of left knee, sequela | BILLABLE CODE |
| S80.919 | Unspecified superficial injury of unspecified knee | NON-BILLABLE CODE |
| S80.919A | Unspecified superficial injury of unspecified knee, initial encounter | BILLABLE CODE |
| S80.919D | Unspecified superficial injury of unspecified knee, subsequent encounter | BILLABLE CODE |
| S80.919S | Unspecified superficial injury of unspecified knee, sequela | BILLABLE CODE |
