Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2005. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Excision of lesion from sphenoid sinus | Is a | True | Sphenoid sinusectomy | Inferred relationship | Some | |
| External frontoethmosphenoidectomy | Is a | True | Sphenoid sinusectomy | Inferred relationship | Some | |
| Intranasal frontoethmosphenoidectomy | Is a | True | Sphenoid sinusectomy | Inferred relationship | Some | |
| Endoscopic excision of sphenoid sinus (procedure) | Is a | True | Sphenoid sinusectomy | Inferred relationship | Some | |
| Excision of sphenoid sinus and nasal turbinate (procedure) | Is a | True | Sphenoid sinusectomy | Inferred relationship | Some | 
Reference Sets