Convert ICD-10 Code T34.40XA to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T34.40XA Frostbite with tissue necrosis of unsp arm, init encntr		991.3 Frostbite NEC/NOS
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 T34.40XA - frostbite with tissue necrosis of unspecified arm, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.