Convert ICD-10 Code D80.3 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
D80.3 Selective deficiency of immunoglobulin G [IgG] subclasses		279.03 Selective ig defic 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 D80.3 - selective deficiency of immunoglobulin g [igg] subclasses based on the most recent General Equivalence Mappings (GEMS) information.