| ICD-10 Code | Description |
| T23.421A | Corrosion of unspecified degree of single right finger (nail) except thumb, initial encounter |
| T23.421D | Corrosion of unspecified degree of single right finger (nail) except thumb, subsequent encounter |
| T23.421S | Corrosion of unspecified degree of single right finger (nail) except thumb, sequela |
| T23.422A | Corrosion of unspecified degree of single left finger (nail) except thumb, initial encounter |
| T23.422D | Corrosion of unspecified degree of single left finger (nail) except thumb, subsequent encounter |
| T23.422S | Corrosion of unspecified degree of single left finger (nail) except thumb, sequela |
| T23.429A | Corrosion of unspecified degree of unspecified single finger (nail) except thumb, initial encounter |
| T23.429D | Corrosion of unspecified degree of unspecified single finger (nail) except thumb, subsequent encounter |
| T23.429S | Corrosion of unspecified degree of unspecified single finger (nail) except thumb, sequela |
