D84.1 Defects in the complement system
Instructional Notes:
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D84.1
Description: Defects in the complement system
Inclusion Term:
- C1 esterase inhibitor [C1-INH] deficiency
↓
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D84
Description: Other immunodeficiencies
↓
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D80-D89
Description: Certain disorders involving the immune mechanism (D80-D89)
Exclude1:
- autoimmune disease (systemic) NOS (M35.9)
- functional disorders of polymorphonuclear neutrophils (D71)
- human immunodeficiency virus [HIV] disease (B20)
Include:
- defects in the complement system
- immunodeficiency disorders, except human immunodeficiency virus [HIV] disease
- sarcoidosis
↓
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D50-D89
Description: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Exclude2:
- autoimmune disease (systemic) NOS (M35.9)
- certain conditions originating in the perinatal period (P00-P96)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- human immunodeficiency virus [HIV] disease (B20)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)