Convert ICD-10 Code C09.1 to ICD-9

Source ICD-10 Code Target ICD-9 Code
C09.1
Malig neoplasm of tonsillar pillar (anterior) (posterior)
146.2
Mal neo tonsil pillars

ICD-10 to ICD-9 crosswalk for code C09.1 - malignant neoplasm of tonsillar pillar (anterior) (posterior) based on the most recent General Equivalence Mappings (GEMS) information.