Convert ICD-10 Code W40.1XXA to ICD-9

Source ICD-10 Code		Target ICD-9 Code
W40.1XXA Explosion of explosive gases, initial encounter		E923.2 Explosive gases accident
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 W40.1XXA - explosion of explosive gases, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.