Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2020. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Hereditary C1 esterase inhibitor deficiency - deficient factor | Is a | False | Hereditary angioedema | Inferred relationship | Some | |
| Hereditary C1 esterase inhibitor deficiency - dysfunctional factor | Is a | False | Hereditary angioedema | Inferred relationship | Some | |
| Acquired C1 esterase inhibitor deficiency | Is a | False | Hereditary angioedema | Inferred relationship | Some | |
| ACE inhibitor-aggravated angioedema-urticaria (disorder) | Is a | False | Hereditary angioedema | Inferred relationship | Some | |
| Hereditary angioedema with normal C1 esterase inhibitor activity | Is a | True | Hereditary angioedema | Inferred relationship | Some | |
| Hereditary angioedema with C1Inh (C1 esterase inhibitor) deficiency | Is a | True | Hereditary angioedema | Inferred relationship | Some |
This concept is not in any reference sets