| Full description | Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, 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 | S66.209 — Unsp injury of extensor musc/fasc/tend thmb at wrs/hnd lv |