Convert ICD-10 Code E70.21 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
E70.21 Tyrosinemia		270.2 Arom amin-acid metab NEC
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 E70.21 - tyrosinemia based on the most recent General Equivalence Mappings (GEMS) information.