
2015 ICD-9-CM Diagnosis Code 446.2
Hypersensitivity angiitis
- There are 3 ICD-9-CM codes below 446.2 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
- Disorder characterized by a vasculitic syndrome associated with exposure to an antigen such as a drug, infectious agent, or other foreign or endogenous substance. Its pathophysiology includes immune complex deposition and a wide range of skin lesions. Hypersensitivity or allergy is present in some but not all cases
446.2 Excludes

- antiglomerular basement membrane disease without pulmonary hemorrhage (583.89
)