D84.1 - Defects in the complement system

Code

D84.1 - Defects in the complement system
[Billable]

Includes

  • C1 esterase inhibitor [C1-INH] deficiency

Code Tree

D50-D89 - Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
  • D80-D89 - Certain disorders involving the immune mechanism
    • D84 - Other immunodeficiencies
      • D84.0 - Lymphocyte function antigen-1 [LFA-1] defect
      • D84.1 - Defects in the complement system
      • D84.8 - Other specified immunodeficiencies
      • D84.9 - Immunodeficiency, unspecified
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