| T59.0 | Toxic effect of nitrogen oxides | NON-BILLABLE CODE |
| T59.0X | Toxic effect of nitrogen oxides | NON-BILLABLE CODE |
| T59.0X1 | Toxic effect of nitrogen oxides, accidental (unintentional) | NON-BILLABLE CODE |
| T59.0X1A | Toxic effect of nitrogen oxides, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.0X1D | Toxic effect of nitrogen oxides, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.0X1S | Toxic effect of nitrogen oxides, accidental (unintentional), sequela | BILLABLE CODE |
| T59.0X2 | Toxic effect of nitrogen oxides, intentional self-harm | NON-BILLABLE CODE |
| T59.0X2A | Toxic effect of nitrogen oxides, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.0X2D | Toxic effect of nitrogen oxides, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.0X2S | Toxic effect of nitrogen oxides, intentional self-harm, sequela | BILLABLE CODE |
| T59.0X3 | Toxic effect of nitrogen oxides, assault | NON-BILLABLE CODE |
| T59.0X3A | Toxic effect of nitrogen oxides, assault, initial encounter | BILLABLE CODE |
| T59.0X3D | Toxic effect of nitrogen oxides, assault, subsequent encounter | BILLABLE CODE |
| T59.0X3S | Toxic effect of nitrogen oxides, assault, sequela | BILLABLE CODE |
| T59.0X4 | Toxic effect of nitrogen oxides, undetermined | NON-BILLABLE CODE |
| T59.0X4A | Toxic effect of nitrogen oxides, undetermined, initial encounter | BILLABLE CODE |
| T59.0X4D | Toxic effect of nitrogen oxides, undetermined, subsequent encounter | BILLABLE CODE |
| T59.0X4S | Toxic effect of nitrogen oxides, undetermined, sequela | BILLABLE CODE |
| T59.1 | Toxic effect of sulfur dioxide | NON-BILLABLE CODE |
| T59.1X | Toxic effect of sulfur dioxide | NON-BILLABLE CODE |
| T59.1X1 | Toxic effect of sulfur dioxide, accidental (unintentional) | NON-BILLABLE CODE |
| T59.1X1A | Toxic effect of sulfur dioxide, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.1X1D | Toxic effect of sulfur dioxide, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.1X1S | Toxic effect of sulfur dioxide, accidental (unintentional), sequela | BILLABLE CODE |
| T59.1X2 | Toxic effect of sulfur dioxide, intentional self-harm | NON-BILLABLE CODE |
| T59.1X2A | Toxic effect of sulfur dioxide, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.1X2D | Toxic effect of sulfur dioxide, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.1X2S | Toxic effect of sulfur dioxide, intentional self-harm, sequela | BILLABLE CODE |
| T59.1X3 | Toxic effect of sulfur dioxide, assault | NON-BILLABLE CODE |
| T59.1X3A | Toxic effect of sulfur dioxide, assault, initial encounter | BILLABLE CODE |
| T59.1X3D | Toxic effect of sulfur dioxide, assault, subsequent encounter | BILLABLE CODE |
| T59.1X3S | Toxic effect of sulfur dioxide, assault, sequela | BILLABLE CODE |
| T59.1X4 | Toxic effect of sulfur dioxide, undetermined | NON-BILLABLE CODE |
| T59.1X4A | Toxic effect of sulfur dioxide, undetermined, initial encounter | BILLABLE CODE |
| T59.1X4D | Toxic effect of sulfur dioxide, undetermined, subsequent encounter | BILLABLE CODE |
| T59.1X4S | Toxic effect of sulfur dioxide, undetermined, sequela | BILLABLE CODE |
| T59.2 | Toxic effect of formaldehyde | NON-BILLABLE CODE |
| T59.2X | Toxic effect of formaldehyde | NON-BILLABLE CODE |
| T59.2X1 | Toxic effect of formaldehyde, accidental (unintentional) | NON-BILLABLE CODE |
| T59.2X1A | Toxic effect of formaldehyde, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.2X1D | Toxic effect of formaldehyde, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.2X1S | Toxic effect of formaldehyde, accidental (unintentional), sequela | BILLABLE CODE |
| T59.2X2 | Toxic effect of formaldehyde, intentional self-harm | NON-BILLABLE CODE |
| T59.2X2A | Toxic effect of formaldehyde, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.2X2D | Toxic effect of formaldehyde, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.2X2S | Toxic effect of formaldehyde, intentional self-harm, sequela | BILLABLE CODE |
| T59.2X3 | Toxic effect of formaldehyde, assault | NON-BILLABLE CODE |
| T59.2X3A | Toxic effect of formaldehyde, assault, initial encounter | BILLABLE CODE |
| T59.2X3D | Toxic effect of formaldehyde, assault, subsequent encounter | BILLABLE CODE |
| T59.2X3S | Toxic effect of formaldehyde, assault, sequela | BILLABLE CODE |
| T59.2X4 | Toxic effect of formaldehyde, undetermined | NON-BILLABLE CODE |
| T59.2X4A | Toxic effect of formaldehyde, undetermined, initial encounter | BILLABLE CODE |
| T59.2X4D | Toxic effect of formaldehyde, undetermined, subsequent encounter | BILLABLE CODE |
| T59.2X4S | Toxic effect of formaldehyde, undetermined, sequela | BILLABLE CODE |
| T59.3 | Toxic effect of lacrimogenic gas | NON-BILLABLE CODE |
| T59.3X | Toxic effect of lacrimogenic gas | NON-BILLABLE CODE |
| T59.3X1 | Toxic effect of lacrimogenic gas, accidental (unintentional) | NON-BILLABLE CODE |
| T59.3X1A | Toxic effect of lacrimogenic gas, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.3X1D | Toxic effect of lacrimogenic gas, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.3X1S | Toxic effect of lacrimogenic gas, accidental (unintentional), sequela | BILLABLE CODE |
| T59.3X2 | Toxic effect of lacrimogenic gas, intentional self-harm | NON-BILLABLE CODE |
| T59.3X2A | Toxic effect of lacrimogenic gas, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.3X2D | Toxic effect of lacrimogenic gas, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.3X2S | Toxic effect of lacrimogenic gas, intentional self-harm, sequela | BILLABLE CODE |
| T59.3X3 | Toxic effect of lacrimogenic gas, assault | NON-BILLABLE CODE |
| T59.3X3A | Toxic effect of lacrimogenic gas, assault, initial encounter | BILLABLE CODE |
| T59.3X3D | Toxic effect of lacrimogenic gas, assault, subsequent encounter | BILLABLE CODE |
| T59.3X3S | Toxic effect of lacrimogenic gas, assault, sequela | BILLABLE CODE |
| T59.3X4 | Toxic effect of lacrimogenic gas, undetermined | NON-BILLABLE CODE |
| T59.3X4A | Toxic effect of lacrimogenic gas, undetermined, initial encounter | BILLABLE CODE |
| T59.3X4D | Toxic effect of lacrimogenic gas, undetermined, subsequent encounter | BILLABLE CODE |
| T59.3X4S | Toxic effect of lacrimogenic gas, undetermined, sequela | BILLABLE CODE |
| T59.4 | Toxic effect of chlorine gas | NON-BILLABLE CODE |
| T59.4X | Toxic effect of chlorine gas | NON-BILLABLE CODE |
| T59.4X1 | Toxic effect of chlorine gas, accidental (unintentional) | NON-BILLABLE CODE |
| T59.4X1A | Toxic effect of chlorine gas, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.4X1D | Toxic effect of chlorine gas, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.4X1S | Toxic effect of chlorine gas, accidental (unintentional), sequela | BILLABLE CODE |
| T59.4X2 | Toxic effect of chlorine gas, intentional self-harm | NON-BILLABLE CODE |
| T59.4X2A | Toxic effect of chlorine gas, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.4X2D | Toxic effect of chlorine gas, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.4X2S | Toxic effect of chlorine gas, intentional self-harm, sequela | BILLABLE CODE |
| T59.4X3 | Toxic effect of chlorine gas, assault | NON-BILLABLE CODE |
| T59.4X3A | Toxic effect of chlorine gas, assault, initial encounter | BILLABLE CODE |
| T59.4X3D | Toxic effect of chlorine gas, assault, subsequent encounter | BILLABLE CODE |
| T59.4X3S | Toxic effect of chlorine gas, assault, sequela | BILLABLE CODE |
| T59.4X4 | Toxic effect of chlorine gas, undetermined | NON-BILLABLE CODE |
| T59.4X4A | Toxic effect of chlorine gas, undetermined, initial encounter | BILLABLE CODE |
| T59.4X4D | Toxic effect of chlorine gas, undetermined, subsequent encounter | BILLABLE CODE |
| T59.4X4S | Toxic effect of chlorine gas, undetermined, sequela | BILLABLE CODE |
| T59.5 | Toxic effect of fluorine gas and hydrogen fluoride | NON-BILLABLE CODE |
| T59.5X | Toxic effect of fluorine gas and hydrogen fluoride | NON-BILLABLE CODE |
| T59.5X1 | Toxic effect of fluorine gas and hydrogen fluoride, accidental (unintentional) | NON-BILLABLE CODE |
| T59.5X1A | Toxic effect of fluorine gas and hydrogen fluoride, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.5X1D | Toxic effect of fluorine gas and hydrogen fluoride, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.5X1S | Toxic effect of fluorine gas and hydrogen fluoride, accidental (unintentional), sequela | BILLABLE CODE |
| T59.5X2 | Toxic effect of fluorine gas and hydrogen fluoride, intentional self-harm | NON-BILLABLE CODE |
| T59.5X2A | Toxic effect of fluorine gas and hydrogen fluoride, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.5X2D | Toxic effect of fluorine gas and hydrogen fluoride, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.5X2S | Toxic effect of fluorine gas and hydrogen fluoride, intentional self-harm, sequela | BILLABLE CODE |
| T59.5X3 | Toxic effect of fluorine gas and hydrogen fluoride, assault | NON-BILLABLE CODE |
| T59.5X3A | Toxic effect of fluorine gas and hydrogen fluoride, assault, initial encounter | BILLABLE CODE |
| T59.5X3D | Toxic effect of fluorine gas and hydrogen fluoride, assault, subsequent encounter | BILLABLE CODE |
| T59.5X3S | Toxic effect of fluorine gas and hydrogen fluoride, assault, sequela | BILLABLE CODE |
| T59.5X4 | Toxic effect of fluorine gas and hydrogen fluoride, undetermined | NON-BILLABLE CODE |
| T59.5X4A | Toxic effect of fluorine gas and hydrogen fluoride, undetermined, initial encounter | BILLABLE CODE |
| T59.5X4D | Toxic effect of fluorine gas and hydrogen fluoride, undetermined, subsequent encounter | BILLABLE CODE |
| T59.5X4S | Toxic effect of fluorine gas and hydrogen fluoride, undetermined, sequela | BILLABLE CODE |
| T59.6 | Toxic effect of hydrogen sulfide | NON-BILLABLE CODE |
| T59.6X | Toxic effect of hydrogen sulfide | NON-BILLABLE CODE |
| T59.6X1 | Toxic effect of hydrogen sulfide, accidental (unintentional) | NON-BILLABLE CODE |
| T59.6X1A | Toxic effect of hydrogen sulfide, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.6X1D | Toxic effect of hydrogen sulfide, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.6X1S | Toxic effect of hydrogen sulfide, accidental (unintentional), sequela | BILLABLE CODE |
| T59.6X2 | Toxic effect of hydrogen sulfide, intentional self-harm | NON-BILLABLE CODE |
| T59.6X2A | Toxic effect of hydrogen sulfide, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.6X2D | Toxic effect of hydrogen sulfide, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.6X2S | Toxic effect of hydrogen sulfide, intentional self-harm, sequela | BILLABLE CODE |
| T59.6X3 | Toxic effect of hydrogen sulfide, assault | NON-BILLABLE CODE |
| T59.6X3A | Toxic effect of hydrogen sulfide, assault, initial encounter | BILLABLE CODE |
| T59.6X3D | Toxic effect of hydrogen sulfide, assault, subsequent encounter | BILLABLE CODE |
| T59.6X3S | Toxic effect of hydrogen sulfide, assault, sequela | BILLABLE CODE |
| T59.6X4 | Toxic effect of hydrogen sulfide, undetermined | NON-BILLABLE CODE |
| T59.6X4A | Toxic effect of hydrogen sulfide, undetermined, initial encounter | BILLABLE CODE |
| T59.6X4D | Toxic effect of hydrogen sulfide, undetermined, subsequent encounter | BILLABLE CODE |
| T59.6X4S | Toxic effect of hydrogen sulfide, undetermined, sequela | BILLABLE CODE |
| T59.7 | Toxic effect of carbon dioxide | NON-BILLABLE CODE |
| T59.7X | Toxic effect of carbon dioxide | NON-BILLABLE CODE |
| T59.7X1 | Toxic effect of carbon dioxide, accidental (unintentional) | NON-BILLABLE CODE |
| T59.7X1A | Toxic effect of carbon dioxide, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.7X1D | Toxic effect of carbon dioxide, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.7X1S | Toxic effect of carbon dioxide, accidental (unintentional), sequela | BILLABLE CODE |
| T59.7X2 | Toxic effect of carbon dioxide, intentional self-harm | NON-BILLABLE CODE |
| T59.7X2A | Toxic effect of carbon dioxide, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.7X2D | Toxic effect of carbon dioxide, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.7X2S | Toxic effect of carbon dioxide, intentional self-harm, sequela | BILLABLE CODE |
| T59.7X3 | Toxic effect of carbon dioxide, assault | NON-BILLABLE CODE |
| T59.7X3A | Toxic effect of carbon dioxide, assault, initial encounter | BILLABLE CODE |
| T59.7X3D | Toxic effect of carbon dioxide, assault, subsequent encounter | BILLABLE CODE |
| T59.7X3S | Toxic effect of carbon dioxide, assault, sequela | BILLABLE CODE |
| T59.7X4 | Toxic effect of carbon dioxide, undetermined | NON-BILLABLE CODE |
| T59.7X4A | Toxic effect of carbon dioxide, undetermined, initial encounter | BILLABLE CODE |
| T59.7X4D | Toxic effect of carbon dioxide, undetermined, subsequent encounter | BILLABLE CODE |
| T59.7X4S | Toxic effect of carbon dioxide, undetermined, sequela | BILLABLE CODE |
| T59.8 | Toxic effect of other specified gases, fumes and vapors | NON-BILLABLE CODE |
| T59.81 | Toxic effect of smoke | NON-BILLABLE CODE |
| T59.811 | Toxic effect of smoke, accidental (unintentional) | NON-BILLABLE CODE |
| T59.811A | Toxic effect of smoke, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.811D | Toxic effect of smoke, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.811S | Toxic effect of smoke, accidental (unintentional), sequela | BILLABLE CODE |
| T59.812 | Toxic effect of smoke, intentional self-harm | NON-BILLABLE CODE |
| T59.812A | Toxic effect of smoke, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.812D | Toxic effect of smoke, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.812S | Toxic effect of smoke, intentional self-harm, sequela | BILLABLE CODE |
| T59.813 | Toxic effect of smoke, assault | NON-BILLABLE CODE |
| T59.813A | Toxic effect of smoke, assault, initial encounter | BILLABLE CODE |
| T59.813D | Toxic effect of smoke, assault, subsequent encounter | BILLABLE CODE |
| T59.813S | Toxic effect of smoke, assault, sequela | BILLABLE CODE |
| T59.814 | Toxic effect of smoke, undetermined | NON-BILLABLE CODE |
| T59.814A | Toxic effect of smoke, undetermined, initial encounter | BILLABLE CODE |
| T59.814D | Toxic effect of smoke, undetermined, subsequent encounter | BILLABLE CODE |
| T59.814S | Toxic effect of smoke, undetermined, sequela | BILLABLE CODE |
| T59.89 | Toxic effect of other specified gases, fumes and vapors | NON-BILLABLE CODE |
| T59.891 | Toxic effect of other specified gases, fumes and vapors, accidental (unintentional) | NON-BILLABLE CODE |
| T59.891A | Toxic effect of other specified gases, fumes and vapors, accidental (unintentional), initial encounter | BILLABLE CODE |
| T59.891D | Toxic effect of other specified gases, fumes and vapors, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T59.891S | Toxic effect of other specified gases, fumes and vapors, accidental (unintentional), sequela | BILLABLE CODE |
| T59.892 | Toxic effect of other specified gases, fumes and vapors, intentional self-harm | NON-BILLABLE CODE |
| T59.892A | Toxic effect of other specified gases, fumes and vapors, intentional self-harm, initial encounter | BILLABLE CODE |
| T59.892D | Toxic effect of other specified gases, fumes and vapors, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T59.892S | Toxic effect of other specified gases, fumes and vapors, intentional self-harm, sequela | BILLABLE CODE |
| T59.893 | Toxic effect of other specified gases, fumes and vapors, assault | NON-BILLABLE CODE |
| T59.893A | Toxic effect of other specified gases, fumes and vapors, assault, initial encounter | BILLABLE CODE |
| T59.893D | Toxic effect of other specified gases, fumes and vapors, assault, subsequent encounter | BILLABLE CODE |
| T59.893S | Toxic effect of other specified gases, fumes and vapors, assault, sequela | BILLABLE CODE |
| T59.894 | Toxic effect of other specified gases, fumes and vapors, undetermined | NON-BILLABLE CODE |
| T59.894A | Toxic effect of other specified gases, fumes and vapors, undetermined, initial encounter | BILLABLE CODE |
| T59.894D | Toxic effect of other specified gases, fumes and vapors, undetermined, subsequent encounter | BILLABLE CODE |
| T59.894S | Toxic effect of other specified gases, fumes and vapors, undetermined, sequela | BILLABLE CODE |
| T59.9 | Toxic effect of unspecified gases, fumes and vapors | NON-BILLABLE CODE |
| 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 |
