| T54.91 | Toxic effect of unspecified corrosive substance, accidental (unintentional) | NON-BILLABLE CODE |
| T54.91XA | Toxic effect of unspecified corrosive substance, accidental (unintentional), initial encounter | BILLABLE CODE |
| T54.91XD | Toxic effect of unspecified corrosive substance, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T54.91XS | Toxic effect of unspecified corrosive substance, accidental (unintentional), sequela | BILLABLE CODE |
| T54.92 | Toxic effect of unspecified corrosive substance, intentional self-harm | NON-BILLABLE CODE |
| T54.92XA | Toxic effect of unspecified corrosive substance, intentional self-harm, initial encounter | BILLABLE CODE |
| T54.92XD | Toxic effect of unspecified corrosive substance, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T54.92XS | Toxic effect of unspecified corrosive substance, intentional self-harm, sequela | BILLABLE CODE |
| T54.93 | Toxic effect of unspecified corrosive substance, assault | NON-BILLABLE CODE |
| T54.93XA | Toxic effect of unspecified corrosive substance, assault, initial encounter | BILLABLE CODE |
| T54.93XD | Toxic effect of unspecified corrosive substance, assault, subsequent encounter | BILLABLE CODE |
| T54.93XS | Toxic effect of unspecified corrosive substance, assault, sequela | BILLABLE CODE |
| T54.94 | Toxic effect of unspecified corrosive substance, undetermined | NON-BILLABLE CODE |
| T54.94XA | Toxic effect of unspecified corrosive substance, undetermined, initial encounter | BILLABLE CODE |
| T54.94XD | Toxic effect of unspecified corrosive substance, undetermined, subsequent encounter | BILLABLE CODE |
| T54.94XS | Toxic effect of unspecified corrosive substance, undetermined, sequela | BILLABLE CODE |
