508.9
Respiratory conditions due to unspecified external agent
The ICD-9 code for respiratory conditions due to unspecified external agent is 508.9.
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 508.9 →