| T23.461 | Corrosion of unspecified degree of back of right hand | NON-BILLABLE CODE |
| T23.461A | Corrosion of unspecified degree of back of right hand, initial encounter | BILLABLE CODE |
| T23.461D | Corrosion of unspecified degree of back of right hand, subsequent encounter | BILLABLE CODE |
| T23.461S | Corrosion of unspecified degree of back of right hand, sequela | BILLABLE CODE |
| T23.462 | Corrosion of unspecified degree of back of left hand | NON-BILLABLE CODE |
| T23.462A | Corrosion of unspecified degree of back of left hand, initial encounter | BILLABLE CODE |
| T23.462D | Corrosion of unspecified degree of back of left hand, subsequent encounter | BILLABLE CODE |
| T23.462S | Corrosion of unspecified degree of back of left hand, sequela | BILLABLE CODE |
| T23.469 | Corrosion of unspecified degree of back of unspecified hand | NON-BILLABLE CODE |
| T23.469A | Corrosion of unspecified degree of back of unspecified hand, initial encounter | BILLABLE CODE |
| T23.469D | Corrosion of unspecified degree of back of unspecified hand, subsequent encounter | BILLABLE CODE |
| T23.469S | Corrosion of unspecified degree of back of unspecified hand, sequela | BILLABLE CODE |
