Convert ICD-10 Code D81.7 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
D81.7 Major histocompatibility complex class II deficiency		279.2 Combined immunity defic
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 D81.7 - major histocompatibility complex class ii deficiency based on the most recent General Equivalence Mappings (GEMS) information.