165.9
Malignant neoplasm of ill-defined sites within the respiratory system
The ICD-9 code for malignant neoplasm of ill-defined sites within the respiratory system is 165.9.
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 165.9 →