Convert ICD-10 Code T75.23XA to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T75.23XA Vertigo from infrasound, initial encounter		994.9 Effect external caus 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 T75.23XA - vertigo from infrasound, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.