Convert ICD-10 Code R07.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
R07.9 Chest pain, unspecified		786.50 Chest pain NOS

ICD-10 to ICD-9 crosswalk for code R07.9 - chest pain, unspecified based on the most recent General Equivalence Mappings (GEMS) information.