| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Epidural injection of contrast substance, lumbar | Is a | Injection of contrast media for radiography | true | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Is a | Injection into lumbar epidural space | true | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Is a | Procedure on back | false | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Method | Injection - action | false | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site | Entire spinal subarachnoid space (body structure) | false | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site | Structure of epidural space of spine | false | Inferred relationship | Some | 3 |  | 
| Epidural injection of contrast substance, lumbar | Direct substance | Radiographic contrast media | false | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Method | Surgical action | false | Inferred relationship | Some | 4 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site | Structure of lumbar spinal canal | false | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Procedure site | Structure of nervous system (body structure) | false | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Direct substance | Contrast media (substance) | false | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site | Spinal cerebrospinal fluid pathway | false | Inferred relationship | Some | 3 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site | Structure of epidural space | false | Inferred relationship | Some | 2 |  | 
| Epidural injection of contrast substance, lumbar | Method | Injection - action | false | Inferred relationship | Some | 2 |  | 
| Epidural injection of contrast substance, lumbar | Method | Surgical action | false | Inferred relationship | Some | 6 |  | 
| Epidural injection of contrast substance, lumbar | Method | Injection - action | false | Inferred relationship | Some | 2 |  | 
| Epidural injection of contrast substance, lumbar | Method | Surgical action | false | Inferred relationship | Some | 3 |  | 
| Epidural injection of contrast substance, lumbar | Method | Injection - action | false | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site | Structure of epidural space of spine | false | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site | Spinal cord meninges structure | false | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Direct substance | Anesthetic (substance) | false | Inferred relationship | Some | 3 |  | 
| Epidural injection of contrast substance, lumbar | Method | Injection - action | false | Inferred relationship | Some | 2 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site | Structure of epidural space of spine | false | Inferred relationship | Some | 4 |  | 
| Epidural injection of contrast substance, lumbar | Is a | Operation on vertebra | false | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Is a | Meninges operation | false | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Is a | Musculoskeletal system injection | false | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Method | Introduction - action (qualifier value) | false | Inferred relationship | Some | 3 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site - Indirect (attribute) | Lumbar extradural space | false | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Is a | introduction d'une substance par une localisation corporelle | false | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Is a | Intrathecal injection | false | Inferred relationship | Some |  |  | 
| Epidural injection of contrast substance, lumbar | Method | Injection - action | true | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Direct substance | Contrast media (substance) | true | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Procedure site - Indirect (attribute) | Lumbar extradural space | true | Inferred relationship | Some | 1 |  | 
| Epidural injection of contrast substance, lumbar | Has focus | Radiographic imaging procedure | true | Inferred relationship | Some | 2 |  | 
| Epidural injection of contrast substance, lumbar | Is a | introduction d'une substance thérapeutique dans le tissu mou | false | Inferred relationship | Some |  |  |