| A75 | Typhus fever | NON-BILLABLE CODE |
| A75.1 | Recrudescent typhus [Brill's disease] | BILLABLE CODE |
| A75.2 | Typhus fever due to Rickettsia typhi | BILLABLE CODE |
| A75.3 | Typhus fever due to Rickettsia tsutsugamushi | BILLABLE CODE |
| A75.9 | Typhus fever, unspecified | BILLABLE CODE |
