| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Is a | Computed tomography of abdomen and pelvis with contrast | true | Inferred relationship | Existential restriction modifier |  |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Is a | Computerized axial tomography of lumbar spine with contrast | false | Inferred relationship | Existential restriction modifier |  |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Is a | Computed tomography of abdomen, pelvis and lumbar spine | true | Inferred relationship | Existential restriction modifier |  |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Using substance | Contrast media | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Method | Computed tomography imaging - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Procedure site - Direct | Structure of pelvis | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Using substance | Contrast media | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Method | Computed tomography imaging - action | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Using substance | Contrast media | false | Inferred relationship | Existential restriction modifier | 5 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Method | Computed tomography imaging - action | false | Inferred relationship | Existential restriction modifier | 5 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Procedure site - Direct | Abdominopelvic structure | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Procedure site - Direct | Structure of lumbar vertebral column | false | Inferred relationship | Existential restriction modifier | 5 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Using substance | Contrast media | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Procedure site - Direct | Structure of abdomen proper | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Method | Computed tomography imaging - action | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Procedure site - Direct | Structure of pelvic cross-sectional segment of trunk | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Is a | Computed tomography of pelvis with contrast | false | Inferred relationship | Existential restriction modifier |  |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Is a | Computed tomography of lumbar spine and pelvis with contrast | true | Inferred relationship | Existential restriction modifier |  |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Method | Computed tomography imaging - action | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Procedure site - Direct | Structure of abdominal cross-sectional segment of trunk | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Using substance | Contrast media | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Method | Computed tomography imaging - action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Using substance | Contrast media | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Computed tomography of abdomen, pelvis and lumbar spine with contrast | Procedure site - Direct | Structure of lumbar vertebral column region | true | Inferred relationship | Existential restriction modifier | 1 |  |