Convert ICD-10 Code Q31.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Q31.9 Congenital malformation of larynx, unspecified		748.3 Laryngotrach anomaly NEC
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 Q31.9 - congenital malformation of larynx, unspecified based on the most recent General Equivalence Mappings (GEMS) information.