Convert ICD-10 Code Q90.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Q90.1 Trisomy 21, mosaicism (mitotic nondisjunction)		758.0 Down's 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 Q90.1 - trisomy 21, mosaicism (mitotic nondisjunction) based on the most recent General Equivalence Mappings (GEMS) information.