Convert ICD-10 Code D83.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
D83.0 Com variab immunodef w predom abnlt of B-cell nums & functn		279.06 Common variabl immunodef
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 D83.0 - common variable immunodeficiency with predominant abnormalities of b-cell numbers and function based on the most recent General Equivalence Mappings (GEMS) information.