Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2003. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Gas and air analgesia in labor | Is a | False | Analgesia in labor (procedure) | Inferred relationship | Some | |
| Nitrous oxide and oxygen gas analgesia in labor (procedure) | Is a | True | Analgesia in labor (procedure) | Inferred relationship | Some |
This concept is not in any reference sets