| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Complement component, antigen measurement | Is a | Complement component assay | true | Inferred relationship | Existential restriction modifier |  |  | 
| Complement component, antigen measurement | Method | Investigation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Complement component, antigen measurement | Has intent | Diagnostic intent | false | Inferred relationship | Existential restriction modifier |  |  | 
| Complement component, antigen measurement | Has measured component | Complement factor B | false | Inferred relationship | Existential restriction modifier |  |  | 
| Complement component, antigen measurement | Component | Complement factor B | false | Inferred relationship | Existential restriction modifier |  |  | 
| Complement component, antigen measurement | Method | Evaluation - action | false | Inferred relationship | Existential restriction modifier |  |  | 
| Complement component, antigen measurement | Component | Antigen | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Complement component, antigen measurement | Is a | Antigen assay | true | Inferred relationship | Existential restriction modifier |  |  | 
| Complement component, antigen measurement | Component | Complement factor | true | Inferred relationship | Existential restriction modifier | 4 |  | 
| Complement component, antigen measurement | Has specimen | Acellular blood (serum or plasma) specimen | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Complement component, antigen measurement | Method | Measurement - action | true | Inferred relationship | Existential restriction modifier | 2 |  |