| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Roentgenography, negative contrast | Is a | Diagnostic radiography with contrast media | false | Inferred relationship | Some |  |  | 
| Roentgenography, negative contrast | Method | Investigation - action | false | Inferred relationship | Some |  |  | 
| Roentgenography, negative contrast | Method | Radiographic imaging - action (qualifier value) | false | Inferred relationship | Some | 1 |  | 
| Roentgenography, negative contrast | Has intent | Diagnostic intent (qualifier value) | false | Inferred relationship | Some |  |  | 
| Roentgenography, negative contrast | Direct substance | Negative contrast media | false | Inferred relationship | Some |  |  | 
| 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 | Using substance (attribute) | Negative contrast media | false | Inferred relationship | Some | 1 |  | 
| Roentgenography, negative contrast | Using substance (attribute) | Negative contrast media | false | Inferred relationship | Some | 1 |  | 
| Roentgenography, negative contrast | Method | Radiographic imaging - action (qualifier value) | false | Inferred relationship | Some | 1 |  | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Diagnostic radiography with contrast media by injection, negative contrast | Is a | False | Roentgenography, negative contrast | Inferred relationship | Some |  | 
| Diagnostic radiography with gas-air, negative contrast | Is a | False | Roentgenography, negative contrast | Inferred relationship | Some |  | 
| Cerebral ventriculography, air contrast | Is a | False | Roentgenography, negative contrast | Inferred relationship | Some |  | 
| Negative contrast cardiac roentgenography | Is a | False | Roentgenography, negative contrast | Inferred relationship | Some |  | 
| Unilateral diagnostic radiographic imaging with negative contrast media and injection of positive contrast media | Is a | False | Roentgenography, negative contrast | Inferred relationship | Some |  | 
| Diagnostic radiography with contrast media by injection, positive and negative contrast, bilateral | Is a | False | Roentgenography, negative contrast | Inferred relationship | Some |  | 
| Mediastinal pneumogram | Is a | False | Roentgenography, negative contrast | Inferred relationship | Some |  | 
| Pneumocisternography | Is a | False | Roentgenography, negative contrast | Inferred relationship | Some |  | 
| Pneumogynecography | Is a | False | Roentgenography, negative contrast | Inferred relationship | Some |  |