446: Polyarteritis nodosa and allied conditions
446.2 Hypersensitivity angiitis
Excludes:
antiglomerular basement membrane disease without pulmonary hemorrhage (583.89)
446.20: Hypersensitivity angiitis, unspecified
446.21: Goodpasture's syndrome
Antiglomerular basement membrane antibody-mediated nephritis with pulmonary hemorrhage
Use additional code to identify renal disease (583.81)
446.29: Other specified hypersensitivity angiitis
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