Convert ICD-10 Code M40.55 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
M40.55 Lordosis, unspecified, thoracolumbar region		737.29 Lordosis 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.
M40.55 Lordosis, unspecified, thoracolumbar region		737.42 Lordosis in oth dis
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 M40.55 - lordosis, unspecified, thoracolumbar region based on the most recent General Equivalence Mappings (GEMS) information.