| S63.621 | Sprain of interphalangeal joint of right thumb | NON-BILLABLE CODE |
| S63.621A | Sprain of interphalangeal joint of right thumb, initial encounter | BILLABLE CODE |
| S63.621D | Sprain of interphalangeal joint of right thumb, subsequent encounter | BILLABLE CODE |
| S63.621S | Sprain of interphalangeal joint of right thumb, sequela | BILLABLE CODE |
| S63.622 | Sprain of interphalangeal joint of left thumb | NON-BILLABLE CODE |
| S63.622A | Sprain of interphalangeal joint of left thumb, initial encounter | BILLABLE CODE |
| S63.622D | Sprain of interphalangeal joint of left thumb, subsequent encounter | BILLABLE CODE |
| S63.622S | Sprain of interphalangeal joint of left thumb, sequela | BILLABLE CODE |
| S63.629 | Sprain of interphalangeal joint of unspecified thumb | NON-BILLABLE CODE |
| S63.629A | Sprain of interphalangeal joint of unspecified thumb, initial encounter | BILLABLE CODE |
| S63.629D | Sprain of interphalangeal joint of unspecified thumb, subsequent encounter | BILLABLE CODE |
| S63.629S | Sprain of interphalangeal joint of unspecified thumb, sequela | BILLABLE CODE |
