| Full description | Sprain of unspecified collateral ligament of left knee, subsequent encounter |
| Billable | Yes |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Injuries to the knee and lower leg (S80-S89) |
| Parent code | S83.402 — Sprain of unspecified collateral ligament of left knee |