| T287XXA | Corrosion of other parts of alimentary tract, initial encounter |
| T287XXD | Corrosion of other parts of alimentary tract, subsequent encounter |
| T287XXS | Corrosion of other parts of alimentary tract, sequela |
| T288 | Corrosion of internal genitourinary organs |
| T288XXA | Corrosion of internal genitourinary organs, initial encounter |
| T288XXD | Corrosion of internal genitourinary organs, subsequent encounter |
| T288XXS | Corrosion of internal genitourinary organs, sequela |
| T289 | Corrosions of other and unspecified internal organs |
| T2890 | Corrosions of unspecified internal organs |
| T2890XA | Corrosions of unspecified internal organs, initial encounter Corrosions of unspecified internal organs, initial encounter |
| T2890XD | Corrosions of unspecified internal organs, subsequent encounter |
| T2890XS | Corrosions of unspecified internal organs, sequela |
| T2891 | Corrosions of ear drum |
| T28911 | Corrosions of right ear drum |
| T28911A | Corrosions of right ear drum, initial encounter |
| T28911D | Corrosions of right ear drum, subsequent encounter |
| T28911S | Corrosions of right ear drum, sequela |
| T28912 | Corrosions of left ear drum |
| T28912A | Corrosions of left ear drum, initial encounter |
| T28912D | Corrosions of left ear drum, subsequent encounter |
| T28912S | Corrosions of left ear drum, sequela |
| T28919 | Corrosions of unspecified ear drum |
| T28919A | Corrosions of unspecified ear drum, initial encounter |
| T28919D | Corrosions of unspecified ear drum, subsequent encounter |
| T28919S | Corrosions of unspecified ear drum, sequela |
| T2899 | Corrosions of other internal organs |
| T2899XA | Corrosions of other internal organs, initial encounter |
| T2899XD | Corrosions of other internal organs, subsequent encounter |
| T2899XS | Corrosions of other internal organs, sequela |
| T30 | Burn and corrosion, body region unspecified |
| T300 | Burn of unspecified body region, unspecified degree |
| T304 | Corrosion of unspecified body region, unspecified degree |
| T31 | Burns classified according to extent of body surface involved |
| T310 | Burns involving less than 10% of body surface |
| T311 | Burns involving 10-19% of body surface |
| T3110 | Burns involving 10-19% of body surface with 0% to 9% third degree burns |
| T3111 | Burns involving 10-19% of body surface with 10-19% third degree burns |
| T312 | Burns involving 20-29% of body surface |
| T3120 | Burns involving 20-29% of body surface with 0% to 9% third degree burns |
| T3121 | Burns involving 20-29% of body surface with 10-19% third degree burns |
| T3122 | Burns involving 20-29% of body surface with 20-29% third degree burns |
| T313 | Burns involving 30-39% of body surface |
| T3130 | Burns involving 30-39% of body surface with 0% to 9% third degree burns |
| T3131 | Burns involving 30-39% of body surface with 10-19% third degree burns |
| T3132 | Burns involving 30-39% of body surface with 20-29% third degree burns |
| T3133 | Burns involving 30-39% of body surface with 30-39% third degree burns |
| T314 | Burns involving 40-49% of body surface |
| T3140 | Burns involving 40-49% of body surface with 0% to 9% third degree burns |
| T3141 | Burns involving 40-49% of body surface with 10-19% third degree burns |
| T3142 | Burns involving 40-49% of body surface with 20-29% third degree burns |