- 480 Viral pneumonia
- 481 Pneumococcal pneumonia [Streptococcus pneumoniae pneumonia]
- 482 Other bacterial pneumonia
- 483 Pneumonia due to other specified organism
- 484 Pneumonia in infectious diseases classified elsewhere
- 485 Bronchopneumonia, organism unspecified
- 486 Pneumonia, organism unspecified
- 487 Influenza
- 488 Influenza due to certain identified influenza viruses