| ICD-10 Code | Description |
| T21.40XA | Corrosion of unspecified degree of trunk, unspecified site, initial encounter |
| T21.40XD | Corrosion of unspecified degree of trunk, unspecified site, subsequent encounter |
| T21.40XS | Corrosion of unspecified degree of trunk, unspecified site, sequela |
| T21.41XA | Corrosion of unspecified degree of chest wall, initial encounter |
| T21.41XD | Corrosion of unspecified degree of chest wall, subsequent encounter |
| T21.41XS | Corrosion of unspecified degree of chest wall, sequela |
| T21.42XA | Corrosion of unspecified degree of abdominal wall, initial encounter |
| T21.42XD | Corrosion of unspecified degree of abdominal wall, subsequent encounter |
| T21.42XS | Corrosion of unspecified degree of abdominal wall, sequela |
| T21.43XA | Corrosion of unspecified degree of upper back, initial encounter |
| T21.43XD | Corrosion of unspecified degree of upper back, subsequent encounter |
| T21.43XS | Corrosion of unspecified degree of upper back, sequela |
| T21.44XA | Corrosion of unspecified degree of lower back, initial encounter |
| T21.44XD | Corrosion of unspecified degree of lower back, subsequent encounter |
| T21.44XS | Corrosion of unspecified degree of lower back, sequela |
| T21.45XA | Corrosion of unspecified degree of buttock, initial encounter |
| T21.45XD | Corrosion of unspecified degree of buttock, subsequent encounter |
| T21.45XS | Corrosion of unspecified degree of buttock, sequela |
| T21.46XA | Corrosion of unspecified degree of male genital region, initial encounter |
| T21.46XD | Corrosion of unspecified degree of male genital region, subsequent encounter |
| T21.46XS | Corrosion of unspecified degree of male genital region, sequela |
| T21.47XA | Corrosion of unspecified degree of female genital region, initial encounter |
| T21.47XD | Corrosion of unspecified degree of female genital region, subsequent encounter |
| T21.47XS | Corrosion of unspecified degree of female genital region, sequela |
| T21.49XA | Corrosion of unspecified degree of other site of trunk, initial encounter |
| T21.49XD | Corrosion of unspecified degree of other site of trunk, subsequent encounter |
| T21.49XS | Corrosion of unspecified degree of other site of trunk, sequela |
