| ICD Code | Description |
|---|---|
| X30 | Exposure to excessive natural heat |
| X31 | Exposure to excessive natural cold |
| X32 | Exposure to sunlight |
| X34 | Earthquake |
| X35 | Volcanic eruption |
| X36 | Avalanche, landslide and other earth movements |
| X37 | Cataclysmic storm |
| X38 | Flood |
| X39 | Exposure to other forces of nature |