Convert ICD-10 Code M45.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
M45.0 Ankylosing spondylitis of multiple sites in spine		720.0 Ankylosing spondylitis
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 M45.0 - ankylosing spondylitis of multiple sites in spine based on the most recent General Equivalence Mappings (GEMS) information.