Convert ICD-10 Code T23.419A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T23.419A Corrosion of unsp degree of unsp thumb (nail), init encntr		944.02 Burn NOS thumb
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 T23.419A - corrosion of unspecified degree of unspecified thumb (nail), initial encounter based on the most recent General Equivalence Mappings (GEMS) information.