Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 135100016 | QT interval | en | Synonym (core metadata concept) | Active | Entire term case sensitive (core metadata concept) | SNOMED CT core | 
| 135101017 | QT interval, NOS | en | Synonym (core metadata concept) | Inactive | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| 135102012 | Q-T interval, NOS | en | Synonym (core metadata concept) | Inactive | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| 504692015 | QT interval feature | en | Synonym (core metadata concept) | Active | Entire term case sensitive (core metadata concept) | SNOMED CT core | 
| 822706010 | QT interval feature (observable entity) | en | Fully specified name | Active | Entire term case sensitive (core metadata concept) | SNOMED CT core | 
| 1150541000052113 | särdrag hos QT-intervall | sv | Synonym (core metadata concept) | Active | Only initial character case insensitive (core metadata concept) | SNOMED CT Sweden NRC maintained module (core metadata concept) | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| QT interval feature | Is a | ECG waveform | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| QT interval duration | Is a | True | QT interval feature | Inferred relationship | Some | |
| Electrocardiogram: Q-T interval NOS | Is a | False | QT interval feature | Inferred relationship | Some | |
| Prolonged QT interval | Interprets | False | QT interval feature | Inferred relationship | Some | |
| Shortened QT interval | Interprets | False | QT interval feature | Inferred relationship | Some | |
| QT interval - finding | Interprets | True | QT interval feature | Inferred relationship | Some | 1 | 
| ECG: Q-T interval normal | Interprets | False | QT interval feature | Inferred relationship | Some | |
| Electrocardiogram: Q-T interval abnormal (finding) | Interprets | False | QT interval feature | Inferred relationship | Some | 
This concept is not in any reference sets