Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2007. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Nitrous oxide and oxygen gas analgesia (procedure) | Is a | Administration of analgesic | true | Inferred relationship | Some | ||
| Nitrous oxide and oxygen gas analgesia (procedure) | Method | Introduction of substance | false | Inferred relationship | Some | 1 | |
| Nitrous oxide and oxygen gas analgesia (procedure) | Direct substance | Analgesic (substance) | false | Inferred relationship | Some | 1 | |
| Nitrous oxide and oxygen gas analgesia (procedure) | Method | Administration - action | false | Inferred relationship | Some | 1 | |
| Nitrous oxide and oxygen gas analgesia (procedure) | Direct substance | Analgesic (substance) | false | Inferred relationship | Some | 1 | |
| Nitrous oxide and oxygen gas analgesia (procedure) | Method | Administration - action | true | Inferred relationship | Some | 1 | |
| Nitrous oxide and oxygen gas analgesia (procedure) | Direct substance | Analgesic (substance) | true | Inferred relationship | Some | 1 |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Nitrous oxide and oxygen gas analgesia in labor (procedure) | Is a | True | Nitrous oxide and oxygen gas analgesia (procedure) | Inferred relationship | Some |
This concept is not in any reference sets