Convert ICD-10 Code A51.41 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
A51.41 Secondary syphilitic meningitis		091.81 Acute syphil meningitis
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 A51.41 - secondary syphilitic meningitis based on the most recent General Equivalence Mappings (GEMS) information.