164.9
Malignant neoplasm of mediastinum, part unspecified
The ICD-9 code for malignant neoplasm of mediastinum, part unspecified is 164.9.
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 164.9 →