| Inbound Relationships | 
Type | 
Active | 
Source | 
Characteristic | 
Refinability | 
Group | 
| Sacral epidural steroid injection | 
Procedure site | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Therapeutic sacral epidural injection | 
Procedure site | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 3 | 
| Local anesthetic sacral epidural block | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Sacral epidural neurolysis | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 3 | 
| Epidural injection of anesthetic substance, diagnostic, caudal, continuous | 
Procedure site - Indirect (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Sacral epidural steroid injection | 
Procedure site - Indirect (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Injection into sacral epidural space | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Epidural injection of contrast substance, caudal | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Epidural injection of neurolytic solution, caudal | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 3 | 
| Epidural injection of anesthetic substance, therapeutic, caudal, continuous | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 2 | 
| Therapeutic sacral epidural injection | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Epidural injection of anesthetic substance, therapeutic, caudal, continuous | 
Procedure site - Direct (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Sacral epidural injection using computed tomography guidance (procedure) | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 2 | 
| Epidural injection of contrast substance, caudal | 
Procedure site - Indirect (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Epidural injection of sacral spine using fluoroscopic guidance (procedure) | 
Procedure site - Direct (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Therapeutic sacral epidural injection | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Sacral epidural injection using computed tomography guidance (procedure) | 
Procedure site - Direct (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Epidural injection of sacral spine using fluoroscopic guidance (procedure) | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 2 | 
| Injection into sacral epidural space | 
Procedure site - Indirect (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Sacral epidural injection using computed tomography guidance (procedure) | 
Procedure site - Direct (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Sacral epidural injection using computed tomography guidance (procedure) | 
Procedure site - Indirect (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 2 | 
| Epidural injection of sacral spine using fluoroscopic guidance (procedure) | 
Procedure site - Direct (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Epidural injection of sacral spine using fluoroscopic guidance (procedure) | 
Procedure site - Indirect (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 2 | 
| Therapeutic sacral epidural injection | 
Procedure site - Indirect (attribute) | 
False | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Local anesthetic sacral epidural block | 
Procedure site - Indirect (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 1 | 
| Epidural injection of anesthetic substance, therapeutic, caudal, continuous | 
Procedure site - Indirect (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 3 | 
| Entire sacral extradural space (body structure) | 
Is a | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
  | 
| Therapeutic sacral epidural injection | 
Procedure site - Indirect (attribute) | 
True | 
Sacral extradural space | 
Inferred relationship | 
Some | 
 2 |