Da Vinci Clinical Data Exchange (CDex)
2.1.0 - STU 2.1

Da Vinci Clinical Data Exchange (CDex), published by HL7 International / Payer/Provider Information Exchange Work Group. This guide is not an authorized publication; it is the continuous build for version 2.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/davinci-ecdx/ and changes regularly. See the Directory of published versions

## Questionnaire: CDex Questionnaire Example2

Official URL: http://example.org/cdex-questionnaire-example2 | Version: 2.1.0
Standards status: Informative | Computable Name: HomeOxygenTherapyQuestionnaire
Other Identifiers: OID:2.16.840.1.113883.4.642.40.21.35.2
Copyright/Legal: Used by permission of HL7 International all rights reserved Creative Commons License

Structure

LinkID | Text | Cardinality | Type | Description & Constraints
--- | --- | --- | --- | ---
HomeOxygenTherapyQuestionnaire |  |  | Questionnaire | http://example.org/cdex-questionnaire-example2#2.1.0
1 | Relevant Patient Diagnoses (conditions that might be expected to improve with oxygen therapy) | 1..1 | text |
2 | Order Reason | 1..1 | choice | Options: 4 options
Documentation for this format

Options Sets

Answer options for 2

- http://example.org#1 ("Initial or original order for certification")
- http://example.org#2 ("Change in status")
- http://example.org#3 ("Revision or change in equipment")
- http://example.org#4 ("Replacement")