| Full description | Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, sequela |
| Billable | Yes |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Injuries to the elbow and forearm (S50-S59) |
| Parent code | S56.399 — Inj extn/abdr musc/fasc/tend of thmb at forearm level |