| T25.431 | Corrosion of unspecified degree of right toe(s) (nail) | NON-BILLABLE CODE |
| T25.431A | Corrosion of unspecified degree of right toe(s) (nail), initial encounter | BILLABLE CODE |
| T25.431D | Corrosion of unspecified degree of right toe(s) (nail), subsequent encounter | BILLABLE CODE |
| T25.431S | Corrosion of unspecified degree of right toe(s) (nail), sequela | BILLABLE CODE |
| T25.432 | Corrosion of unspecified degree of left toe(s) (nail) | NON-BILLABLE CODE |
| T25.432A | Corrosion of unspecified degree of left toe(s) (nail), initial encounter | BILLABLE CODE |
| T25.432D | Corrosion of unspecified degree of left toe(s) (nail), subsequent encounter | BILLABLE CODE |
| T25.432S | Corrosion of unspecified degree of left toe(s) (nail), sequela | BILLABLE CODE |
| T25.439 | Corrosion of unspecified degree of unspecified toe(s) (nail) | NON-BILLABLE CODE |
| T25.439A | Corrosion of unspecified degree of unspecified toe(s) (nail), initial encounter | BILLABLE CODE |
| T25.439D | Corrosion of unspecified degree of unspecified toe(s) (nail), subsequent encounter | BILLABLE CODE |
| T25.439S | Corrosion of unspecified degree of unspecified toe(s) (nail), sequela | BILLABLE CODE |
