Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Dec 2022. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Left mastoidectomy | Is a | Mastoidectomy | true | Inferred relationship | Some | ||
| Left mastoidectomy | Method | Excision - action (qualifier value) | true | Inferred relationship | Some | 1 | |
| Left mastoidectomy | Procedure site - Direct (attribute) | Structure of left mastoid bone (body structure) | true | Inferred relationship | Some | 1 |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Granulation of left mastoid cavity | After | True | Left mastoidectomy | Inferred relationship | Some | 2 |
| Recurrent cholesteatoma of left mastoid cavity (disorder) | After | True | Left mastoidectomy | Inferred relationship | Some | 2 |
| Repair of left middle ear and excision of left mastoid | Is a | True | Left mastoidectomy | Inferred relationship | Some | |
| Excision of bilateral mastoid bones (procedure) | Is a | True | Left mastoidectomy | Inferred relationship | Some |
This concept is not in any reference sets