Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 140712011 | Active C1r/C1s | en | Synonym (core metadata concept) | Active | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| 826798017 | Active C1r/C1s (substance) | en | Fully specified name | Active | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Active C1r/C1s (substance) | Is a | Active complement enzyme of classic pathway | true | Inferred relationship | Some | ||
| Active C1r/C1s (substance) | Has disposition (attribute) | Immunomodulator (disposition) | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Complement c1r2+c1s2 measurement | Has measured component | False | Active C1r/C1s (substance) | Inferred relationship | Some | |
| Complement clr2-cls2 measurement | Has measured component | False | Active C1r/C1s (substance) | Inferred relationship | Some | |
| Complement c1r2+c1s2 measurement | Component | True | Active C1r/C1s (substance) | Inferred relationship | Some | 1 | 
| Complement clr2-cls2 measurement | Component | True | Active C1r/C1s (substance) | Inferred relationship | Some | 1 | 
This concept is not in any reference sets