NCPI FHIR Implementation Guide v2 - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: Research Study Design
| Official URL: https://nih-ncpi.github.io/ncpi-fhir-ig-2/StructureDefinition/research-study-design | Version: 0.1.0 | |||
| Draft as of 2025-03-24 | Computable Name: ResearchStudyDesign | |||
Codes categorizing the type of study such as investigational vs. observational, type of blinding, type of randomization, safety vs. efficacy, etc.
Context of Use
-
Element ID:
ResearchStudy
This extension may be used on the following element(s):
Usage info
Usage:
- Use this Extension: NCPI Research Study
Formal Views of Extension Content
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  Extension |
0..* | Extension | Research Study Design | |
  extension |
0..0 | |||
| url |
1..1 | uri | "https://nih-ncpi.github.io/ncpi-fhir-ig-2/StructureDefinition/research-study-design" | |
  value[x] |
0..1 | CodeableConcept | Value of extension Binding: https://hl7.org/fhir/valueset-study-design.html (example) | |
| Documentation for this format | ||||
Other representations of profile: CSV, Excel, Schematron
Terminology Bindings
| Path | Conformance | ValueSet | URI |
| Extension.value[x] | example | https://hl7.org/fhir/valueset-study-design.htmlhttps://hl7.org/fhir/valueset-study-design.html |
Constraints
| Id | Grade | Path(s) | Details | Requirements |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children unless an empty Parameters resource : hasValue() or (children().count() > id.count()) or $this is Parameters | |
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |