Convert ICD-10 Code O12.00 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O12.00 Gestational edema, unspecified trimester		646.10 Edema in preg-unspec
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 O12.00 - gestational edema, unspecified trimester based on the most recent General Equivalence Mappings (GEMS) information.