033.1
Whooping cough due to bordetella parapertussis [B. parapertussis]
The ICD-9 code for whooping cough due to bordetella parapertussis [b. parapertussis] is 033.1.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 033.1 →