446.20
Hypersensitivity angiitis, unspecified
The ICD-9 code for hypersensitivity angiitis, unspecified is 446.20.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 446.20 →