446.20 - Hypersensitivity Angiitis, Unspecified
The ICD 9 Code for Hypersensitivity angiitis, unspecified is listed as 446.20.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
| ICD 9 CM Field | Value |
|---|---|
| Diagnosis Code: | 446.20 |
| Long Description: | Hypersensitivity angiitis, unspecified |
| Short Description: | Hypersensit angiitis NOS |
| Chapter: | Diseases Of The Circulatory System |
| Block: | Diseases Of Arteries, Arterioles, And Capillaries (440-449) |
| ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS): | |
| ICD-10-CM Code: | M31.0 - Hypersensitivity angiitis (approximate) |
| ICD-9-CM Siblings (same level / similar specificity) of 446.20: | |
| 446.21 - Goodpasture's syndrome | |
| 446.29 - Other specified hypersensitivity angiitis | |