| ICD-10 Code | Description |
| T23.521A | Corrosion of first degree of single right finger (nail) except thumb, initial encounter |
| T23.521D | Corrosion of first degree of single right finger (nail) except thumb, subsequent encounter |
| T23.521S | Corrosion of first degree of single right finger (nail) except thumb, sequela |
| T23.522A | Corrosion of first degree of single left finger (nail) except thumb, initial encounter |
| T23.522D | Corrosion of first degree of single left finger (nail) except thumb, subsequent encounter |
| T23.522S | Corrosion of first degree of single left finger (nail) except thumb, sequela |
| T23.529A | Corrosion of first degree of unspecified single finger (nail) except thumb, initial encounter |
| T23.529D | Corrosion of first degree of unspecified single finger (nail) except thumb, subsequent encounter |
| T23.529S | Corrosion of first degree of unspecified single finger (nail) except thumb, sequela |
