Status: current, Not sufficiently defined by necessary conditions definition status. Date: 31-Jan 2002. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 3619017 | Blood group antigen Ch^a^ | en | Synonym | Active | Only initial character case insensitive | SNOMED CT core module | 
| 3620011 | Blood group antigen Chido | en | Synonym | Active | Only initial character case insensitive | SNOMED CT core module | 
| 199385012 | CH1 (ISBT symbol) | en | Synonym | Active | Entire term case sensitive | SNOMED CT core module | 
| 199386013 | Blood group antigen Ch | en | Synonym | Active | Only initial character case insensitive | SNOMED CT core module | 
| 199387016 | Blood group antigen CH/RG1 | en | Synonym | Active | Only initial character case insensitive | SNOMED CT core module | 
| 199388014 | Blood group antigen Ch1 | en | Synonym | Active | Only initial character case insensitive | SNOMED CT core module | 
| 741705019 | Blood group antigen Ch1 (substance) | en | Fully specified name | Active | Only initial character case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Blood group antigen Ch1 | Is a | Antigen in Chido-Rodgers blood group system | true | Inferred relationship | Existential restriction modifier | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
This concept is not in any reference sets