Supplementary Table 3:
ICD-9 Codes Used to Define Pneumonia Cohort
| ICD-9-CM Diagnosis Codes | Description |
|---|---|
| 480.0 | Pneumonia due to adenovirus |
| 480.1 | Pneumonia due to respiratory syncytial virus |
| 480.2 | Pneumonia due to parainfluenza virus |
| 480.3 | Pneumonia due to SARS-associated coronavirus |
| 480.8 | Pneumonia due to other virus not elsewhere classified |
| 480.9 | Viral pneumonia, unspecified |
| 481 | Pneumococcal pneumonia [Streptococcus pneumoniae pneumonia] |
| 482.0 | Pneumonia due to Klebsiella pneumoniae |
| 482.1 | Pneumonia due to Pseudomonas |
| 482.2 | Pneumonia due to Hemophilus influenzae [H. influenzae] |
| 482.30 | Pneumonia due to Streptococcus, unspecified |
| 482.31 | Pneumonia due to Streptococcus, group A |
| 482.32 | Pneumonia due to Streptococcus, group B |
| 482.39 | Pneumonia due to other Streptococcus |
| 482.40 | Pneumonia due to Staphylococcus, unspecified |
| 482.41 | Methicillin susceptible pneumonia due to Staphylococcus aureus |
| 482.42 | Methicillin resistant pneumonia due to Staphylococcus aureus |
| 482.49 | Other Staphylococcus pneumonia |
| 482.81 | Pneumonia due to anaerobes |
| 482.82 | Pneumonia due to escherichia coli [E. coli] |
| 482.83 | Pneumonia due to other gram-negative bacteria |
| 482.84 | Pneumonia due to Legionnaires' disease |
| 482.89 | Pneumonia due to other specified bacteria |
| 482.9 | Bacterial pneumonia, unspecified |
| 483.0 | Pneumonia due to mycoplasma pneumoniae |
| 483.1 | Pneumonia due to chlamydia |
| 483.8 | Pneumonia due to other specified organism |
| 485 | Bronchopneumonia, organism unspecified |
| 486 | Pneumonia, organism unspecified |
| 487.0 | Influenza with pneumonia |
| 488.11 | Influenza due to identified 2009 H1N1 influenza virus with pneumonia |
| 507.0 | Pneumonitis due to inhalation of food or vomitus |