Convert ICD-10 Code O26.03 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O26.03 Excessive weight gain in pregnancy, third trimester		646.11 Edema in preg-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.
O26.03 Excessive weight gain in pregnancy, third trimester		646.13 Edema in preg-antepartum
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 O26.03 - excessive weight gain in pregnancy, third trimester based on the most recent General Equivalence Mappings (GEMS) information.