| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Roentgenography, negative contrast | Direct substance | Radiographic contrast media | false | Inferred relationship | Some |  |  | 
| Roentgenography, negative contrast | Procedure site | Body structure | false | Inferred relationship | Some | 7 |  | 
| Roentgenography, negative contrast | Is a | Diagnostic radiography with contrast media | true | Inferred relationship | Some |  |  | 
| Roentgenography, negative contrast | Using substance | Negative contrast media | false | Inferred relationship | Some | 1 |  | 
| Roentgenography, negative contrast | Using substance | Negative contrast media | true | Inferred relationship | Some | 1 |  | 
| Roentgenography, negative contrast | Method | Radiographic imaging - action | true | Inferred relationship | Some | 1 |  | 
| Roentgenography, negative contrast | Method | Investigation - action | false | Inferred relationship | Some |  |  | 
| Roentgenography, negative contrast | Method | Radiographic imaging - action | false | Inferred relationship | Some | 1 |  | 
| Roentgenography, negative contrast | Has intent | Diagnostic intent | false | Inferred relationship | Some |  |  | 
| Roentgenography, negative contrast | Direct substance | Negative contrast media | false | Inferred relationship | Some |  |  |