| S83.231 | Complex tear of medial meniscus, current injury, right knee | NON-BILLABLE CODE |
| S83.231A | Complex tear of medial meniscus, current injury, right knee, initial encounter | BILLABLE CODE |
| S83.231D | Complex tear of medial meniscus, current injury, right knee, subsequent encounter | BILLABLE CODE |
| S83.231S | Complex tear of medial meniscus, current injury, right knee, sequela | BILLABLE CODE |
| S83.232 | Complex tear of medial meniscus, current injury, left knee | NON-BILLABLE CODE |
| S83.232A | Complex tear of medial meniscus, current injury, left knee, initial encounter | BILLABLE CODE |
| S83.232D | Complex tear of medial meniscus, current injury, left knee, subsequent encounter | BILLABLE CODE |
| S83.232S | Complex tear of medial meniscus, current injury, left knee, sequela | BILLABLE CODE |
| S83.239 | Complex tear of medial meniscus, current injury, unspecified knee | NON-BILLABLE CODE |
| S83.239A | Complex tear of medial meniscus, current injury, unspecified knee, initial encounter | BILLABLE CODE |
| S83.239D | Complex tear of medial meniscus, current injury, unspecified knee, subsequent encounter | BILLABLE CODE |
| S83.239S | Complex tear of medial meniscus, current injury, unspecified knee, sequela | BILLABLE CODE |
