| ICD-10 Code | Description |
| T20.70XA | Corrosion of third degree of head, face, and neck, unspecified site, initial encounter |
| T20.70XD | Corrosion of third degree of head, face, and neck, unspecified site, subsequent encounter |
| T20.70XS | Corrosion of third degree of head, face, and neck, unspecified site, sequela |
| T20.711A | Corrosion of third degree of right ear [any part, except ear drum], initial encounter |
| T20.711D | Corrosion of third degree of right ear [any part, except ear drum], subsequent encounter |
| T20.711S | Corrosion of third degree of right ear [any part, except ear drum], sequela |
| T20.712A | Corrosion of third degree of left ear [any part, except ear drum], initial encounter |
| T20.712D | Corrosion of third degree of left ear [any part, except ear drum], subsequent encounter |
| T20.712S | Corrosion of third degree of left ear [any part, except ear drum], sequela |
| T20.719A | Corrosion of third degree of unspecified ear [any part, except ear drum], initial encounter |
| T20.719D | Corrosion of third degree of unspecified ear [any part, except ear drum], subsequent encounter |
| T20.719S | Corrosion of third degree of unspecified ear [any part, except ear drum], sequela |
| T20.72XA | Corrosion of third degree of lip(s), initial encounter |
| T20.72XD | Corrosion of third degree of lip(s), subsequent encounter |
| T20.72XS | Corrosion of third degree of lip(s), sequela |
| T20.73XA | Corrosion of third degree of chin, initial encounter |
| T20.73XD | Corrosion of third degree of chin, subsequent encounter |
| T20.73XS | Corrosion of third degree of chin, sequela |
| T20.74XA | Corrosion of third degree of nose (septum), initial encounter |
| T20.74XD | Corrosion of third degree of nose (septum), subsequent encounter |
| T20.74XS | Corrosion of third degree of nose (septum), sequela |
| T20.75XA | Corrosion of third degree of scalp [any part], initial encounter |
| T20.75XD | Corrosion of third degree of scalp [any part], subsequent encounter |
| T20.75XS | Corrosion of third degree of scalp [any part], sequela |
| T20.76XA | Corrosion of third degree of forehead and cheek, initial encounter |
| T20.76XD | Corrosion of third degree of forehead and cheek, subsequent encounter |
| T20.76XS | Corrosion of third degree of forehead and cheek, sequela |
| T20.77XA | Corrosion of third degree of neck, initial encounter |
| T20.77XD | Corrosion of third degree of neck, subsequent encounter |
| T20.77XS | Corrosion of third degree of neck, sequela |
| T20.79XA | Corrosion of third degree of multiple sites of head, face, and neck, initial encounter |
| T20.79XD | Corrosion of third degree of multiple sites of head, face, and neck, subsequent encounter |
| T20.79XS | Corrosion of third degree of multiple sites of head, face, and neck, sequela |
