Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2010. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| H/O: significant knee disorder | Is a | True | H/O: knee problem | Inferred relationship | Some | |
| Recent injury of posterior cruciate ligament (situation) | Is a | True | H/O: knee problem | Inferred relationship | Some | |
| Recent rupture of posterior cruciate ligament (situation) | Is a | True | H/O: knee problem | Inferred relationship | Some | |
| History of infection of total knee joint prothesis | Is a | False | H/O: knee problem | Inferred relationship | Some |
This concept is not in any reference sets