033 Whooping cough 
033.0 Whooping cough due to bordetella pertussis [B. pertussis] convert 033.0 to ICD-10-CM 033.1 Whooping cough due to bordetella parapertussis [B. parapertussis] convert 033.1 to ICD-10-CM 033.8 Whooping cough due to other specified organism convert 033.8 to ICD-10-CM
033.9 Whooping cough, unspecified organism convert 033.9 to ICD-10-CM