Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2004. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Knee joint - mediolateral instability | Is a | False | Unstable knee | Inferred relationship | Some | |
| Knee joint - anteroposterior instability | Is a | True | Unstable knee | Inferred relationship | Some | |
| Meniscus unstable | Is a | True | Unstable knee | Inferred relationship | Some | |
| Chronic instability of knee | Is a | True | Unstable knee | Inferred relationship | Some | |
| Instability of femoropatellar joint (finding) | Is a | True | Unstable knee | Inferred relationship | Some | |
| Medial collateral ligament instability | Is a | True | Unstable knee | Inferred relationship | Some | |
| Lateral collateral ligament instability | Is a | True | Unstable knee | Inferred relationship | Some | |
| Instability of joint of right knee | Is a | True | Unstable knee | Inferred relationship | Some | |
| Instability of joint of left knee (finding) | Is a | True | Unstable knee | Inferred relationship | Some | |
| Instability of prosthesis of joint of knee | Is a | True | Unstable knee | Inferred relationship | Some |
This concept is not in any reference sets