| ICD-10 Code | Description |
| S56.301A | Unspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter |
| S56.301D | Unspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, subsequent encounter |
| S56.301S | Unspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, sequela |
| S56.302A | Unspecified injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, initial encounter |
| S56.302D | Unspecified injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, subsequent encounter |
| S56.302S | Unspecified injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, sequela |
| S56.309A | Unspecified injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter |
| S56.309D | Unspecified injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, subsequent encounter |
| S56.309S | Unspecified injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, sequela |
| S56.311A | Strain of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter |
| S56.311D | Strain of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, subsequent encounter |
| S56.311S | Strain of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, sequela |
| S56.312A | Strain of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, initial encounter |
| S56.312D | Strain of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, subsequent encounter |
| S56.312S | Strain of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, sequela |
| S56.319A | Strain of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter |
| S56.319D | Strain of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, subsequent encounter |
| S56.319S | Strain of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, sequela |
| S56.321A | Laceration of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter |
| S56.321D | Laceration of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, subsequent encounter |
| S56.321S | Laceration of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, sequela |
| S56.322A | Laceration of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, initial encounter |
| S56.322D | Laceration of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, subsequent encounter |
| S56.322S | Laceration of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, sequela |
| S56.329A | Laceration of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter |
| S56.329D | Laceration of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, subsequent encounter |
| S56.329S | Laceration of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, sequela |
| S56.391A | Other injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter |
| S56.391D | Other injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, subsequent encounter |
| S56.391S | Other injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, sequela |
| S56.392A | Other injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, initial encounter |
| S56.392D | Other injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, subsequent encounter |
| S56.392S | Other injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, sequela |
| S56.399A | Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter |
| S56.399D | Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, subsequent encounter |
| S56.399S | Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, sequela |
