Convert ICD-10 Code R45.4 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
R45.4 Irritability and anger		799.22 Irritability
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code R45.4 - irritability and anger based on the most recent General Equivalence Mappings (GEMS) information.