Convert ICD-10 Code T33.3XXA to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T33.3XXA Superfic frostbite of abd wall, lower back and pelvis, init		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 T33.3XXA - superficial frostbite of abdominal wall, lower back and pelvis, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.