1. A37 Whooping cough

    1. A37.0 Whooping cough due to Bordetella pertussis

      1. A37.00 Whooping cough due to Bordetella pertussis without pneumonia

      2. A37.01 Whooping cough due to Bordetella pertussis with pneumonia

    2. A37.1 Whooping cough due to Bordetella parapertussis

      1. A37.10 Whooping cough due to Bordetella parapertussis without pneumonia

      2. A37.11 Whooping cough due to Bordetella parapertussis with pneumonia

    3. A37.8 Whooping cough due to other Bordetella species

      1. A37.80 Whooping cough due to other Bordetella species without pneumonia

      2. A37.81 Whooping cough due to other Bordetella species with pneumonia

    4. A37.9 Whooping cough, unspecified species

      1. A37.90 Whooping cough, unspecified species without pneumonia

      2. A37.91 Whooping cough, unspecified species with pneumonia

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.