Convert ICD-10 Code Q91.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Q91.0 Trisomy 18, nonmosaicism (meiotic nondisjunction)		758.2 Edwards' syndrome
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 Q91.0 - trisomy 18, nonmosaicism (meiotic nondisjunction) based on the most recent General Equivalence Mappings (GEMS) information.