Extension: Periodontal Site (Experimental)
| Official URL: https://fhir.cognovis.de/dental-core/StructureDefinition/periodontal-site | Version: 0.2.0 | |||
| Draft as of 2026-08-13 | Computable Name: PeriodontalSiteExt | |||
| Other Identifiers: OID:2.16.840.1.113883.3.7985.2.42.19 | ||||
Copyright/Legal: Copyright 2026+ cognovis GmbH. Cognovis-authored Dental Core material is licensed under Apache-2.0; third-party material retains its own terms as documented in the Third-Party Notices. |
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Identifies the location around a tooth for a periodontal or peri-implant measurement without defining a local clinical terminology.
Context of Use
This extension may be used on the following element(s):
- Element ID Observation.component
Usage info
Usages:
- Use this Extension: Dental Periodontal Finding
- Examples for this Extension: Observation/dental-core-example-peri-implant-finding and Observation/dental-core-example-periodontal-finding
You can also check for usages in the FHIR IG Statistics
Formal Views of Extension Content
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension | Periodontal Site | |
  extension |
0..0 | Extension | ||
| url |
1..1 | uri | "https://fhir.cognovis.de/dental-core/StructureDefinition/periodontal-site" | |
  value[x] |
0..1 | Coding | Value of extension Binding: Periodontal Measurement Sites (required) | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Periodontal Site | |
 id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "https://fhir.cognovis.de/dental-core/StructureDefinition/periodontal-site" | |
| value[x] |
0..1 | Coding | Value of extension Binding: Periodontal Measurement Sites (required) | |
| Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Periodontal Site | |
| extension |
0..0 | Extension | ||
| url |
1..1 | uri | "https://fhir.cognovis.de/dental-core/StructureDefinition/periodontal-site" | |
| value[x] |
0..1 | Coding | Value of extension Binding: Periodontal Measurement Sites (required) | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Periodontal Site | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "https://fhir.cognovis.de/dental-core/StructureDefinition/periodontal-site" | |
| value[x] |
0..1 | Coding | Value of extension Binding: Periodontal Measurement Sites (required) | |
| Documentation for this format | ||||
Other representations of profile: CSV, Excel, Schematron
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | required | Periodontal Measurement Sites | 📦0.2.0 | This IG |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|