| T25.411 | Corrosion of unspecified degree of right ankle | NON-BILLABLE CODE |
| T25.411A | Corrosion of unspecified degree of right ankle, initial encounter | BILLABLE CODE |
| T25.411D | Corrosion of unspecified degree of right ankle, subsequent encounter | BILLABLE CODE |
| T25.411S | Corrosion of unspecified degree of right ankle, sequela | BILLABLE CODE |
| T25.412 | Corrosion of unspecified degree of left ankle | NON-BILLABLE CODE |
| T25.412A | Corrosion of unspecified degree of left ankle, initial encounter | BILLABLE CODE |
| T25.412D | Corrosion of unspecified degree of left ankle, subsequent encounter | BILLABLE CODE |
| T25.412S | Corrosion of unspecified degree of left ankle, sequela | BILLABLE CODE |
| T25.419 | Corrosion of unspecified degree of unspecified ankle | NON-BILLABLE CODE |
| T25.419A | Corrosion of unspecified degree of unspecified ankle, initial encounter | BILLABLE CODE |
| T25.419D | Corrosion of unspecified degree of unspecified ankle, subsequent encounter | BILLABLE CODE |
| T25.419S | Corrosion of unspecified degree of unspecified ankle, sequela | BILLABLE CODE |
