D81.7✓ Billable
Major histocompatibility complex class II deficiency
Code Hierarchy
┌3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)├D80-D89Certain disorders involving the immune mechanism (D80-D89)├D81Combined immunodeficiencies
└D81.7Major histocompatibility complex class II deficiency
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