Convert ICD-10 Code O40.1XX9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O40.1XX9 Polyhydramnios, first trimester, other fetus		657.01 Polyhydramnios-delivered
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.
O40.1XX9 Polyhydramnios, first trimester, other fetus		657.03 Polyhydramnios-antepart
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 O40.1XX9 - polyhydramnios, first trimester, other fetus based on the most recent General Equivalence Mappings (GEMS) information.