| S56.301 | Unspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level | NON-BILLABLE CODE |
| S56.301A | Unspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter | BILLABLE CODE |
| S56.301D | Unspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, subsequent encounter | BILLABLE CODE |
| S56.301S | Unspecified injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, sequela | BILLABLE CODE |
| S56.302 | Unspecified injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level | NON-BILLABLE CODE |
| S56.302A | Unspecified injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, initial encounter | BILLABLE CODE |
| S56.302D | Unspecified injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, subsequent encounter | BILLABLE CODE |
| S56.302S | Unspecified injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, sequela | BILLABLE CODE |
| S56.309 | Unspecified injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level | NON-BILLABLE CODE |
| S56.309A | Unspecified injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter | BILLABLE CODE |
| S56.309D | Unspecified injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, subsequent encounter | BILLABLE CODE |
| S56.309S | Unspecified injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, sequela | BILLABLE CODE |
