Convert ICD-10 Code O36.8320 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O36.8320 Matern care for abnlt fetl hrt rate or rhym, 2nd tri, unsp		656.81 Fet/plac prob NEC-deliv
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.
O36.8320 Matern care for abnlt fetl hrt rate or rhym, 2nd tri, unsp		656.83 Fet/plac prob NEC-antepa
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 O36.8320 - maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, not applicable or unspecified based on the most recent General Equivalence Mappings (GEMS) information.