| W93 | Exposure to excessive cold of man-made origin | NON-BILLABLE CODE |
| W93.0 | Contact with or inhalation of dry ice | NON-BILLABLE CODE |
| W93.01 | Contact with dry ice | NON-BILLABLE CODE |
| W93.01XA | Contact with dry ice, initial encounter | BILLABLE CODE |
| W93.01XD | Contact with dry ice, subsequent encounter | BILLABLE CODE |
| W93.01XS | Contact with dry ice, sequela | BILLABLE CODE |
| W93.02 | Inhalation of dry ice | NON-BILLABLE CODE |
| W93.02XA | Inhalation of dry ice, initial encounter | BILLABLE CODE |
| W93.02XD | Inhalation of dry ice, subsequent encounter | BILLABLE CODE |
| W93.02XS | Inhalation of dry ice, sequela | BILLABLE CODE |
| W93.1 | Contact with or inhalation of liquid air | NON-BILLABLE CODE |
| W93.11 | Contact with liquid air | NON-BILLABLE CODE |
| W93.11XA | Contact with liquid air, initial encounter | BILLABLE CODE |
| W93.11XD | Contact with liquid air, subsequent encounter | BILLABLE CODE |
| W93.11XS | Contact with liquid air, sequela | BILLABLE CODE |
| W93.12 | Inhalation of liquid air | NON-BILLABLE CODE |
| W93.12XA | Inhalation of liquid air, initial encounter | BILLABLE CODE |
| W93.12XD | Inhalation of liquid air, subsequent encounter | BILLABLE CODE |
| W93.12XS | Inhalation of liquid air, sequela | BILLABLE CODE |
| W93.2 | Prolonged exposure in deep freeze unit or refrigerator | NON-BILLABLE CODE |
| W93.2XXA | Prolonged exposure in deep freeze unit or refrigerator, initial encounter | BILLABLE CODE |
| W93.2XXD | Prolonged exposure in deep freeze unit or refrigerator, subsequent encounter | BILLABLE CODE |
| W93.2XXS | Prolonged exposure in deep freeze unit or refrigerator, sequela | BILLABLE CODE |
| W93.8 | Exposure to other excessive cold of man-made origin | NON-BILLABLE CODE |
| W93.8XXA | Exposure to other excessive cold of man-made origin, initial encounter | BILLABLE CODE |
| W93.8XXD | Exposure to other excessive cold of man-made origin, subsequent encounter | BILLABLE CODE |
