B33 - Other viral diseases, not elsewhere classified
B33.0 - Epidemic myalgia
B33.1 - Ross River disease
B33.2 - Viral carditis
B33.20 - Viral carditis, unspecified
B33.21 - Viral endocarditis
B33.22 - Viral myocarditis
B33.23 - Viral pericarditis
B33.24 - Viral cardiomyopathy
B33.3 - Retrovirus infections, not elsewhere classified
B33.4 - Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]
B33.8 - Other specified viral diseases