Causes of diarrhoea included with ICD-9 and ICD-10* clinical codes 001–009 and diagnosis related groups (DRG) 350 and 351
| *There was a change from ICD-9-CM codes to ICD-10-AM in July 1999. | |
| Cholera | Amoebic infestations |
| Typhoid fever | Giardiasis |
| Paratyphoid fever | Cryptosoridiosis |
| Other salmonella infections | Other specified protozoal intestinal diseases |
| Shigellosis | Intestinal viral infections |
| Other specified bacterial infections | Intestinal infections due to other organisms |
| Bacterial infections (unspecified) | Ill defined intestinal infections |
| Bacterial food poisoning | Diarrhoea of presumed infectious origin |