Convert ICD-10 Code Q99.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Q99.9 Chromosomal abnormality, unspecified		758.9 Chromosome anomaly NOS

ICD-10 to ICD-9 crosswalk for code Q99.9 - chromosomal abnormality, unspecified based on the most recent General Equivalence Mappings (GEMS) information.