484.3
Pneumonia in whooping cough
The ICD-9 code for pneumonia in whooping cough is 484.3.
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 484.3 →