Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2005. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Procedure on pyriform sinus | Is a | Procedure on neck | false | Inferred relationship | Some | ||
| Procedure on pyriform sinus | Is a | Procedure on pharynx | false | Inferred relationship | Some | ||
| Procedure on pyriform sinus | Procedure site | Structure of piriform recess | true | Inferred relationship | Some | 1 | |
| Procedure on pyriform sinus | Is a | Procedure on hypopharynx | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Operation on pyriform sinus | Is a | True | Procedure on pyriform sinus | Inferred relationship | Some | |
| Removal of foreign body from pyriform fossa | Is a | True | Procedure on pyriform sinus | Inferred relationship | Some |
This concept is not in any reference sets