Convert ICD-10 Code J01.21 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
J01.21 Acute recurrent ethmoidal sinusitis		461.2 Ac ethmoidal sinusitis
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 J01.21 - acute recurrent ethmoidal sinusitis based on the most recent General Equivalence Mappings (GEMS) information.