Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Calcium hydroxyapatite crystal | Is a | Crystal - human material | false | Inferred relationship | Some | ||
| Calcium hydroxyapatite crystal | Is a | Crystal - body material (substance) | true | Inferred relationship | Some | ||
| Calcium hydroxyapatite crystal | Is modification of (attribute) | Durapatite (substance) | false | Inferred relationship | Some | ||
| Calcium hydroxyapatite crystal | Is a | Calcium compound | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Calcifying panniculitis due to hyperparathyroidism (disorder) | Causative agent | False | Calcium hydroxyapatite crystal | Inferred relationship | Some | |
| Calcifying panniculitis due to hyperparathyroidism in renal disease (disorder) | Causative agent | False | Calcium hydroxyapatite crystal | Inferred relationship | Some | |
| Retropharyngeal tendinitis | Causative agent | True | Calcium hydroxyapatite crystal | Inferred relationship | Some | 1 |
This concept is not in any reference sets