Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Ability to perform telephone activities (observable entity) | Is a | Ability to perform community living activities | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Ability to use telephone | Is a | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | |
| Able to perform telephone activities | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Unable to perform telephone activities | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Does perform telephone activities | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Does not perform telephone activities | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Difficulty performing telephone activities | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Telephone independent | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Telephone - IADL (finding) | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | |
| Telephone dependent | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Telephone assisted | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Finding related to ability to perform telephone activities | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Telephone dependent | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Does not perform telephone activities | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Able to perform telephone activities | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Telephone independent | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Telephone assisted | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Difficulty performing telephone activities | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Unable to perform telephone activities | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Does perform telephone activities | Interprets | False | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 1 | 
| Telephone independent | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 2 | 
| Does not perform telephone activities | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 2 | 
| Able to operate mobile phone (finding) | Interprets | True | Ability to perform telephone activities (observable entity) | Inferred relationship | Some | 2 | 
This concept is not in any reference sets