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 | 
| Krypton-81m (substance) | Is a | Krypton radioisotope | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Lung perfusion study with Krypton 81m | Using substance (attribute) | True | Krypton-81m (substance) | Inferred relationship | Some | 1 | 
| Pulmonary ventilation study using krypton-81m and planar technique with quantitation | Using substance (attribute) | True | Krypton-81m (substance) | Inferred relationship | Some | 1 | 
| Pulmonary ventilation study using krypton-81m and planar technique (procedure) | Using substance (attribute) | True | Krypton-81m (substance) | Inferred relationship | Some | 1 | 
This concept is not in any reference sets