478.4
Polyp of vocal cord or larynx
The ICD-9 code for polyp of vocal cord or larynx is 478.4.
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 478.4 →