Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2018. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Checking position of nasogastric tube using pH indicator testing strip | Is a | Checking position of nasogastric tube | true | Inferred relationship | Some | ||
| Checking position of nasogastric tube using pH indicator testing strip | Method | Checking - action (qualifier value) | true | Inferred relationship | Some | 2 | |
| Checking position of nasogastric tube using pH indicator testing strip | Direct device | Nasogastric tube | true | Inferred relationship | Some | 2 | |
| Checking position of nasogastric tube using pH indicator testing strip | Procedure site - Indirect (attribute) | Gastrointestinal tract structure | true | Inferred relationship | Some | 2 | |
| Checking position of nasogastric tube using pH indicator testing strip | Using device (attribute) | Test strip | true | Inferred relationship | Some | 2 | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
This concept is not in any reference sets