473.3
Chronic sphenoidal sinusitis
The ICD-9 code for chronic sphenoidal sinusitis is 473.3.
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 473.3 →