| Billable | No — use a more specific child code |
| 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 | S64.4 — Injury of digital nerve of other and unspecified finger |
| Requires 7th character | Yes |