| A37 | Whooping cough | NON-BILLABLE CODE |
| A37.0 | Whooping cough due to Bordetella pertussis | NON-BILLABLE CODE |
| A37.01 | Whooping cough due to Bordetella pertussis with pneumonia | BILLABLE CODE |
| A37.1 | Whooping cough due to Bordetella parapertussis | NON-BILLABLE CODE |
| A37.10 | Whooping cough due to Bordetella parapertussis without pneumonia | BILLABLE CODE |
| A37.11 | Whooping cough due to Bordetella parapertussis with pneumonia | BILLABLE CODE |
| A37.8 | Whooping cough due to other Bordetella species | NON-BILLABLE CODE |
| A37.80 | Whooping cough due to other Bordetella species without pneumonia | BILLABLE CODE |
| A37.81 | Whooping cough due to other Bordetella species with pneumonia | BILLABLE CODE |
| A37.9 | Whooping cough, unspecified species | NON-BILLABLE CODE |
| A37.90 | Whooping cough, unspecified species without pneumonia | BILLABLE CODE |
| A37.91 | Whooping cough, unspecified species with pneumonia | BILLABLE CODE |
