| A68.0 | Louse-borne relapsing fever |
| A68.1 | Tick-borne relapsing fever |
| A68.9 | Relapsing fever, unspecified |
| I01.0 | Acute rheumatic pericarditis |
| I01.1 | Acute rheumatic endocarditis |
| I01.2 | Acute rheumatic myocarditis |
| I01.8 | Other acute rheumatic heart disease |
| I01.9 | Acute rheumatic heart disease, unspecified |
| I09.0 | Rheumatic myocarditis |
| I09.1 | Rheumatic diseases of endocardium, valve unspecified |
| I09.2 | Chronic rheumatic pericarditis |
| I09.8 | Other specified rheumatic heart diseases |
| I09.81 | Rheumatic heart failure |
| I09.89 | Other specified rheumatic heart diseases |
| I09.9 | Rheumatic heart disease, unspecified |
| R50.2 | Drug induced fever |
| R50.8 | Other specified fever |
| R50.9 | Fever, unspecified |
| R68.83 | Chills (without fever) |