Convert ICD-10 Code H18.231 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H18.231 Secondary corneal edema, right eye		371.22 Secondary corneal edema
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 H18.231 - secondary corneal edema, right eye based on the most recent General Equivalence Mappings (GEMS) information.