| S83289 | Other tear of lateral meniscus, current injury, unspecified knee |
| S83289A | Other tear of lateral meniscus, current injury, unspecified knee, initial encounter |
| S83289D | Other tear of lateral meniscus, current injury, unspecified knee, subsequent encounter |
| S83289S | Other tear of lateral meniscus, current injury, unspecified knee, sequela |
| S833 | Tear of articular cartilage of knee, current |
| S8330 | Tear of articular cartilage of unspecified knee, current |
| S8330XA | Tear of articular cartilage of unspecified knee, current, initial encounter |
| S8330XD | Tear of articular cartilage of unspecified knee, current, subsequent encounter |
| S8330XS | Tear of articular cartilage of unspecified knee, current, sequela |
| S8331 | Tear of articular cartilage of right knee, current |
| S8331XA | Tear of articular cartilage of right knee, current, initial encounter |
| S8331XD | Tear of articular cartilage of right knee, current, subsequent encounter |
| S8331XS | Tear of articular cartilage of right knee, current, sequela |
| S8332 | Tear of articular cartilage of left knee, current |
| S8332XA | Tear of articular cartilage of left knee, current, initial encounter |
| S8332XD | Tear of articular cartilage of left knee, current, subsequent encounter |
| S8332XS | Tear of articular cartilage of left knee, current, sequela |
| S834 | Sprain of collateral ligament of knee |
| S8340 | Sprain of unspecified collateral ligament of knee |
| S83401 | Sprain of unspecified collateral ligament of right knee |
| S83401A | Sprain of unspecified collateral ligament of right knee, initial encounter |
| S83401D | Sprain of unspecified collateral ligament of right knee, subsequent encounter |
| S83401S | Sprain of unspecified collateral ligament of right knee, sequela |
| S83402 | Sprain of unspecified collateral ligament of left knee |
| S83402A | Sprain of unsp collateral ligament of left knee, init encntr Sprain of unspecified collateral ligament of left knee, initial encounter |
| S83402D | Sprain of unsp collateral ligament of left knee, subs encntr Sprain of unspecified collateral ligament of left knee, subsequent encounter |
| S83402S | Sprain of unspecified collateral ligament of left knee, sequela |
| S83409 | Sprain of unspecified collateral ligament of unspecified knee |
| S83409A | Sprain of unsp collateral ligament of unsp knee, init encntr Sprain of unspecified collateral ligament of unspecified knee, initial encounter |
| S83409D | Sprain of unsp collateral ligament of unsp knee, subs encntr Sprain of unspecified collateral ligament of unspecified knee, subsequent encounter |
| S83409S | Sprain of unspecified collateral ligament of unspecified knee, sequela |
| S8341 | Sprain of medial collateral ligament of knee |
| S83411 | Sprain of medial collateral ligament of right knee |
| S83411A | Sprain of medial collateral ligament of right knee, initial encounter |
| S83411D | Sprain of medial collateral ligament of right knee, subsequent encounter |
| S83411S | Sprain of medial collateral ligament of right knee, sequela |
| S83412 | Sprain of medial collateral ligament of left knee |
| S83412A | Sprain of medial collateral ligament of left knee, initial encounter |
| S83412D | Sprain of medial collateral ligament of left knee, subsequent encounter |
| S83412S | Sprain of medial collateral ligament of left knee, sequela |
| S83419 | Sprain of medial collateral ligament of unspecified knee |
| S83419A | Sprain of medial collateral ligament of unspecified knee, initial encounter |
| S83419D | Sprain of medial collateral ligament of unspecified knee, subsequent encounter |
| S83419S | Sprain of medial collateral ligament of unspecified knee, sequela |
| S8342 | Sprain of lateral collateral ligament of knee |
| S83421 | Sprain of lateral collateral ligament of right knee |
| S83421A | Sprain of lateral collateral ligament of right knee, initial encounter |
| S83421D | Sprain of lateral collateral ligament of right knee, subsequent encounter |
| S83421S | Sprain of lateral collateral ligament of right knee, sequela Sprain of lateral collateral ligament of right knee, sequela |
| S83422 | Sprain of lateral collateral ligament of left knee |