| S66.20 | Unspecified injury of extensor muscle, fascia and tendon of thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.201 | Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.201A | Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.201D | Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.201S | Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.202 | Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.202A | Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.202D | Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.202S | Unspecified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.209 | Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.209A | Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.209D | Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.209S | Unspecified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.21 | Strain of extensor muscle, fascia and tendon of thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.211 | Strain of extensor muscle, fascia and tendon of right thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.211A | Strain of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.211D | Strain of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.211S | Strain of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.212 | Strain of extensor muscle, fascia and tendon of left thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.212A | Strain of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.212D | Strain of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.212S | Strain of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.219 | Strain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.219A | Strain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.219D | Strain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.219S | Strain of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.22 | Laceration of extensor muscle, fascia and tendon of thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.221 | Laceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.221A | Laceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.221D | Laceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.221S | Laceration of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.222 | Laceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.222A | Laceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.222D | Laceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.222S | Laceration of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.229 | Laceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.229A | Laceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.229D | Laceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.229S | Laceration of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.29 | Other specified injury of extensor muscle, fascia and tendon of thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.291 | Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.291A | Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.291D | Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.291S | Other specified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.292 | Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.292A | Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.292D | Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.292S | Other specified injury of extensor muscle, fascia and tendon of left thumb at wrist and hand level, sequela | BILLABLE CODE |
| S66.299 | Other specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level | NON-BILLABLE CODE |
| S66.299A | Other specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter | BILLABLE CODE |
| S66.299D | Other specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter | BILLABLE CODE |
| S66.299S | Other specified injury of extensor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela | BILLABLE CODE |
