Convert ICD-10 Code O29.129 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O29.129 Cardiac failure due to anesth during preg, unsp trimester		646.80 Preg compl NEC-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 O29.129 - cardiac failure due to anesthesia during pregnancy, unspecified trimester based on the most recent General Equivalence Mappings (GEMS) information.