Convert ICD-10 Code T21.64XA to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T21.64XA Corrosion of second degree of lower back, initial encounter		942.24 2nd deg burn back
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 T21.64XA - corrosion of second degree of lower back, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.