| S80212 | Abrasion, left knee |
| S80212A | Abrasion, left knee, initial encounter |
| S80212D | Abrasion, left knee, subsequent encounter |
| S80212S | Abrasion, left knee, sequela |
| S80219 | Abrasion, unspecified knee |
| S80219A | Abrasion, unspecified knee, initial encounter |
| S80219D | Abrasion, unspecified knee, subsequent encounter |
| S80219S | Abrasion, unspecified knee, sequela |
| S8022 | Blister (nonthermal) of knee |
| S80221 | Blister (nonthermal), right knee |
| S80221A | Blister (nonthermal), right knee, initial encounter |
| S80221D | Blister (nonthermal), right knee, subsequent encounter |
| S80221S | Blister (nonthermal), right knee, sequela |
| S80222 | Blister (nonthermal), left knee |
| S80222A | Blister (nonthermal), left knee, initial encounter |
| S80222D | Blister (nonthermal), left knee, subsequent encounter |
| S80222S | Blister (nonthermal), left knee, sequela |
| S80229 | Blister (nonthermal), unspecified knee |
| S80229A | Blister (nonthermal), unspecified knee, initial encounter |
| S80229D | Blister (nonthermal), unspecified knee, subsequent encounter Blister (nonthermal), unspecified knee, subsequent encounter |
| S80229S | Blister (nonthermal), unspecified knee, sequela |
| S8024 | External constriction of knee |
| S80241 | External constriction, right knee |
| S80241A | External constriction, right knee, initial encounter |
| S80241D | External constriction, right knee, subsequent encounter |
| S80241S | External constriction, right knee, sequela |
| S80242 | External constriction, left knee |
| S80242A | External constriction, left knee, initial encounter |
| S80242D | External constriction, left knee, subsequent encounter |
| S80242S | External constriction, left knee, sequela |
| S80249 | External constriction, unspecified knee |
| S80249A | External constriction, unspecified knee, initial encounter |
| S80249D | External constriction, unspecified knee, subsequent encounter |
| S80249S | External constriction, unspecified knee, sequela |
| S8025 | Superficial foreign body of knee |
| S80251 | Superficial foreign body, right knee |
| S80251A | Superficial foreign body, right knee, initial encounter |
| S80251D | Superficial foreign body, right knee, subsequent encounter |
| S80251S | Superficial foreign body, right knee, sequela |
| S80252 | Superficial foreign body, left knee |
| S80252A | Superficial foreign body, left knee, initial encounter |
| S80252D | Superficial foreign body, left knee, subsequent encounter |
| S80252S | Superficial foreign body, left knee, sequela |
| S80259 | Superficial foreign body, unspecified knee |
| S80259A | Superficial foreign body, unspecified knee, initial encounter |
| S80259D | Superficial foreign body, unspecified knee, subsequent encounter |
| S80259S | Superficial foreign body, unspecified knee, sequela |
| S8026 | Insect bite (nonvenomous) of knee |
| S80261 | Insect bite (nonvenomous), right knee |
| S80261A | Insect bite (nonvenomous), right knee, initial encounter |