ICD-10 Code: D81.9 – Combined immunodeficiency, unspecified

ICD-10 code D81.9 corresponds to Combined immunodeficiency, unspecified. This code is classified under the chapter D81 Combined immunodeficiencies, which is part of the D80-D89: Certain disorders involving the immune mechanism category.

The parent chapter is Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.