Non-specific code 2014 ICD-9-CM Diagnosis Code 446.2
Hypersensitivity angiitis
  • Non-Billable Code
  • 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)
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 446.2 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.