| T59.91 | Toxic effect of unspecified gases, fumes and vapors, accidental (unintentional) | NON-BILLABLE CODE |
| T59.91XA | Toxic effect of unspecified gases, fumes and vapors, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.91XD | Toxic effect of unspecified gases, fumes and vapors, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.91XS | Toxic effect of unspecified gases, fumes and vapors, accidental (unintentional), sequela | BILLABLE CODE |
| T59.92 | Toxic effect of unspecified gases, fumes and vapors, intentional self-harm | NON-BILLABLE CODE |
| T59.92XA | Toxic effect of unspecified gases, fumes and vapors, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.92XD | Toxic effect of unspecified gases, fumes and vapors, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.92XS | Toxic effect of unspecified gases, fumes and vapors, intentional self-harm, sequela | BILLABLE CODE |
| T59.93 | Toxic effect of unspecified gases, fumes and vapors, assault | NON-BILLABLE CODE |
| T59.93XA | Toxic effect of unspecified gases, fumes and vapors, assault, initial encounter | BILLABLE CODE |
| T59.93XD | Toxic effect of unspecified gases, fumes and vapors, assault, subsequent encounter | BILLABLE CODE |
| T59.93XS | Toxic effect of unspecified gases, fumes and vapors, assault, sequela | BILLABLE CODE |
| T59.94 | Toxic effect of unspecified gases, fumes and vapors, undetermined | NON-BILLABLE CODE |
| T59.94XA | Toxic effect of unspecified gases, fumes and vapors, undetermined, initial encounter | BILLABLE CODE |
| T59.94XD | Toxic effect of unspecified gases, fumes and vapors, undetermined, subsequent encounter | BILLABLE CODE |
| T59.94XS | Toxic effect of unspecified gases, fumes and vapors, undetermined, sequela | BILLABLE CODE |
