Convert ICD-10 Code N64.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
N64.9 Disorder of breast, unspecified		611.9 Breast disorder NOS

ICD-10 to ICD-9 crosswalk for code N64.9 - disorder of breast, unspecified based on the most recent General Equivalence Mappings (GEMS) information.