ICD-10 Code: D84.1 – Defects in the complement system

ICD-10 code D84.1 corresponds to Defects in the complement system. This code is classified under the chapter D84 Other 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.