Final2.16.840.1.113883.4.642.4.479 - FilterOperator - FHIR: http://hl7.org/fhir/filter-operator
| Level/ Type | Code | Display Name | Code System | Code System Version | Designations | Description |
|---|---|---|---|---|---|---|
| 0‑L | = | Equals | FilterOperator | 2019-11-01T09:29:23 |  Preferred: Equals | The specified property of the code equals the provided value. |
| 0‑L | is-a | Is A (by subsumption) | FilterOperator | 2019-11-01T09:29:23 | Preferred: Is A (by subsumption) | Includes all concept ids that have a transitive is-a relationship with the concept Id provided as the value, including the provided concept itself (include descendant codes and self). |
| 0‑L | descendent-of | Descendent Of (by subsumption) | FilterOperator | 2019-11-01T09:29:23 | Preferred: Descendent Of (by subsumption) | Includes all concept ids that have a transitive is-a relationship with the concept Id provided as the value, excluding the provided concept itself i.e. include descendant codes only). |
| 0‑L | is-not-a | Not (Is A) (by subsumption) | FilterOperator | 2019-11-01T09:29:23 | Preferred: Not (Is A) (by subsumption) | The specified property of the code does not have an is-a relationship with the provided value. |
| 0‑L | regex | Regular Expression | FilterOperator | 2019-11-01T09:29:23 | Preferred: Regular Expression | The specified property of the code matches the regex specified in the provided value. |
| 0‑L | in | In Set | FilterOperator | 2019-11-01T09:29:23 | Preferred: In Set | The specified property of the code is in the set of codes or concepts specified in the provided value (comma separated list). |
| 0‑L | not-in | Not in Set | FilterOperator | 2019-11-01T09:29:23 | Preferred: Not in Set | The specified property of the code is not in the set of codes or concepts specified in the provided value (comma separated list). |
| 0‑L | generalizes | Generalizes (by Subsumption) | FilterOperator | 2019-11-01T09:29:23 | Preferred: Generalizes (by Subsumption) | Includes all concept ids that have a transitive is-a relationship from the concept Id provided as the value, including the provided concept itself (i.e. include ancestor codes and self). |
| 0‑L | exists | Exists | FilterOperator | 2019-11-01T09:29:23 | Preferred: Exists | The specified property of the code has at least one value (if the specified value is true; if the specified value is false, then matches when the specified property of the code has no values). |
