| T25.51 | Corrosion of first degree of ankle | NON-BILLABLE CODE |
| T25.511 | Corrosion of first degree of right ankle | NON-BILLABLE CODE |
| T25.511A | Corrosion of first degree of right ankle, initial encounter | BILLABLE CODE |
| T25.511D | Corrosion of first degree of right ankle, subsequent encounter | BILLABLE CODE |
| T25.511S | Corrosion of first degree of right ankle, sequela | BILLABLE CODE |
| T25.512 | Corrosion of first degree of left ankle | NON-BILLABLE CODE |
| T25.512A | Corrosion of first degree of left ankle, initial encounter | BILLABLE CODE |
| T25.512D | Corrosion of first degree of left ankle, subsequent encounter | BILLABLE CODE |
| T25.512S | Corrosion of first degree of left ankle, sequela | BILLABLE CODE |
| T25.519 | Corrosion of first degree of unspecified ankle | NON-BILLABLE CODE |
| T25.519A | Corrosion of first degree of unspecified ankle, initial encounter | BILLABLE CODE |
| T25.519D | Corrosion of first degree of unspecified ankle, subsequent encounter | BILLABLE CODE |
| T25.519S | Corrosion of first degree of unspecified ankle, sequela | BILLABLE CODE |
| T25.52 | Corrosion of first degree of foot | NON-BILLABLE CODE |
| T25.521 | Corrosion of first degree of right foot | NON-BILLABLE CODE |
| T25.521A | Corrosion of first degree of right foot, initial encounter | BILLABLE CODE |
| T25.521D | Corrosion of first degree of right foot, subsequent encounter | BILLABLE CODE |
| T25.521S | Corrosion of first degree of right foot, sequela | BILLABLE CODE |
| T25.522 | Corrosion of first degree of left foot | NON-BILLABLE CODE |
| T25.522A | Corrosion of first degree of left foot, initial encounter | BILLABLE CODE |
| T25.522D | Corrosion of first degree of left foot, subsequent encounter | BILLABLE CODE |
| T25.522S | Corrosion of first degree of left foot, sequela | BILLABLE CODE |
| T25.529 | Corrosion of first degree of unspecified foot | NON-BILLABLE CODE |
| T25.529A | Corrosion of first degree of unspecified foot, initial encounter | BILLABLE CODE |
| T25.529D | Corrosion of first degree of unspecified foot, subsequent encounter | BILLABLE CODE |
| T25.529S | Corrosion of first degree of unspecified foot, sequela | BILLABLE CODE |
| T25.53 | Corrosion of first degree of toe(s) (nail) | NON-BILLABLE CODE |
| T25.531 | Corrosion of first degree of right toe(s) (nail) | NON-BILLABLE CODE |
| T25.531A | Corrosion of first degree of right toe(s) (nail), initial encounter | BILLABLE CODE |
| T25.531D | Corrosion of first degree of right toe(s) (nail), subsequent encounter | BILLABLE CODE |
| T25.531S | Corrosion of first degree of right toe(s) (nail), sequela | BILLABLE CODE |
| T25.532 | Corrosion of first degree of left toe(s) (nail) | NON-BILLABLE CODE |
| T25.532A | Corrosion of first degree of left toe(s) (nail), initial encounter | BILLABLE CODE |
| T25.532D | Corrosion of first degree of left toe(s) (nail), subsequent encounter | BILLABLE CODE |
| T25.532S | Corrosion of first degree of left toe(s) (nail), sequela | BILLABLE CODE |
| T25.539 | Corrosion of first degree of unspecified toe(s) (nail) | NON-BILLABLE CODE |
| T25.539A | Corrosion of first degree of unspecified toe(s) (nail), initial encounter | BILLABLE CODE |
| T25.539D | Corrosion of first degree of unspecified toe(s) (nail), subsequent encounter | BILLABLE CODE |
| T25.539S | Corrosion of first degree of unspecified toe(s) (nail), sequela | BILLABLE CODE |
| T25.59 | Corrosion of first degree of multiple sites of ankle and foot | NON-BILLABLE CODE |
| T25.591 | Corrosion of first degree of multiple sites of right ankle and foot | NON-BILLABLE CODE |
| T25.591A | Corrosion of first degree of multiple sites of right ankle and foot, initial encounter | BILLABLE CODE |
| T25.591D | Corrosion of first degree of multiple sites of right ankle and foot, subsequent encounter | BILLABLE CODE |
| T25.591S | Corrosion of first degree of multiple sites of right ankle and foot, sequela | BILLABLE CODE |
| T25.592 | Corrosion of first degree of multiple sites of left ankle and foot | NON-BILLABLE CODE |
| T25.592A | Corrosion of first degree of multiple sites of left ankle and foot, initial encounter | BILLABLE CODE |
| T25.592D | Corrosion of first degree of multiple sites of left ankle and foot, subsequent encounter | BILLABLE CODE |
| T25.592S | Corrosion of first degree of multiple sites of left ankle and foot, sequela | BILLABLE CODE |
| T25.599 | Corrosion of first degree of multiple sites of unspecified ankle and foot | NON-BILLABLE CODE |
| T25.599A | Corrosion of first degree of multiple sites of unspecified ankle and foot, initial encounter | BILLABLE CODE |
| T25.599D | Corrosion of first degree of multiple sites of unspecified ankle and foot, subsequent encounter | BILLABLE CODE |
| T25.599S | Corrosion of first degree of multiple sites of unspecified ankle and foot, sequela | BILLABLE CODE |
