| Full description | Sprain of metacarpophalangeal joint of left thumb, initial encounter |
| Billable | Yes |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Injuries to the wrist, hand and fingers (S60-S69) |
| Parent code | S63.642 — Sprain of metacarpophalangeal joint of left thumb |