| S80.211 | Abrasion, right knee | NON-BILLABLE CODE |
| S80.211A | Abrasion, right knee, initial encounter | BILLABLE CODE |
| S80.211D | Abrasion, right knee, subsequent encounter | BILLABLE CODE |
| S80.211S | Abrasion, right knee, sequela | BILLABLE CODE |
| S80.212 | Abrasion, left knee | NON-BILLABLE CODE |
| S80.212A | Abrasion, left knee, initial encounter | BILLABLE CODE |
| S80.212D | Abrasion, left knee, subsequent encounter | BILLABLE CODE |
| S80.212S | Abrasion, left knee, sequela | BILLABLE CODE |
| S80.219 | Abrasion, unspecified knee | NON-BILLABLE CODE |
| S80.219A | Abrasion, unspecified knee, initial encounter | BILLABLE CODE |
| S80.219D | Abrasion, unspecified knee, subsequent encounter | BILLABLE CODE |
| S80.219S | Abrasion, unspecified knee, sequela | BILLABLE CODE |
