Convert ICD-10 Code D80.5 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
D80.5 Immunodeficiency with increased immunoglobulin M [IgM]		279.05 Immunodefic w hyper-igm

ICD-10 to ICD-9 crosswalk for code D80.5 - immunodeficiency with increased immunoglobulin m [igm] based on the most recent General Equivalence Mappings (GEMS) information.