| S81012A | Laceration without foreign body, left knee, initial encounter |
| S81012D | Laceration without foreign body, left knee, subsequent encounter |
| S81012S | Laceration without foreign body, left knee, sequela |
| S81019 | Laceration without foreign body, unspecified knee |
| S81019A | Laceration without foreign body, unspecified knee, initial encounter |
| S81019D | Laceration without foreign body, unspecified knee, subsequent encounter |
| S81019S | Laceration without foreign body, unspecified knee, sequela |
| S8102 | Laceration with foreign body of knee |
| S81021 | Laceration with foreign body, right knee |
| S81021A | Laceration with foreign body, right knee, initial encounter |
| S81021D | Laceration with foreign body, right knee, subsequent encounter |
| S81021S | Laceration with foreign body, right knee, sequela |
| S81022 | Laceration with foreign body, left knee |
| S81022A | Laceration with foreign body, left knee, initial encounter |
| S81022D | Laceration with foreign body, left knee, subsequent encounter |
| S81022S | Laceration with foreign body, left knee, sequela |
| S81029 | Laceration with foreign body, unspecified knee |
| S81029A | Laceration with foreign body, unspecified knee, initial encounter |
| S81029D | Laceration with foreign body, unspecified knee, subsequent encounter |
| S81029S | Laceration with foreign body, unspecified knee, sequela |
| S8103 | Puncture wound without foreign body of knee |
| S81031 | Puncture wound without foreign body, right knee |
| S81031A | Puncture wound without foreign body, right knee, init encntr Puncture wound without foreign body, right knee, initial encounter |
| S81031D | Puncture wound without foreign body, right knee, subs encntr Puncture wound without foreign body, right knee, subsequent encounter |
| S81031S | Puncture wound without foreign body, right knee, sequela |
| S81032 | Puncture wound without foreign body, left knee |
| S81032A | Puncture wound without foreign body, left knee, initial encounter |
| S81032D | Puncture wound without foreign body, left knee, subsequent encounter |
| S81032S | Puncture wound without foreign body, left knee, sequela |
| S81039 | Puncture wound without foreign body, unspecified knee |
| S81039A | Puncture wound without foreign body, unspecified knee, initial encounter |
| S81039D | Puncture wound without foreign body, unspecified knee, subsequent encounter |
| S81039S | Puncture wound without foreign body, unspecified knee, sequela |
| S8104 | Puncture wound with foreign body of knee |
| S81041 | Puncture wound with foreign body, right knee |
| S81041A | Puncture wound with foreign body, right knee, initial encounter |
| S81041D | Puncture wound with foreign body, right knee, subsequent encounter |
| S81041S | Puncture wound with foreign body, right knee, sequela |
| S81042 | Puncture wound with foreign body, left knee |
| S81042A | Puncture wound with foreign body, left knee, initial encounter |
| S81042D | Puncture wound with foreign body, left knee, subsequent encounter |
| S81042S | Puncture wound with foreign body, left knee, sequela |
| S81049 | Puncture wound with foreign body, unspecified knee |
| S81049A | Puncture wound with foreign body, unspecified knee, initial encounter |
| S81049D | Puncture wound with foreign body, unspecified knee, subsequent encounter |
| S81049S | Puncture wound with foreign body, unspecified knee, sequela |
| S8105 | Open bite of knee |
| S81051 | Open bite, right knee |
| S81051A | Open bite, right knee, initial encounter |
| S81051D | Open bite, right knee, subsequent encounter |