CDex Capabilities to Test
PAS Response Bundle -> $submit-attachments
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Functional requirements:
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Payer
1) Share Capabilities endpoints using wellknown or pre-coordinate
- $submit-attachment endpoint
- questionnaire package endpoint* (Questionnaire)
6) Produce a Claim Response requesting additional information (attachments)
- X12 (278R)
- FHIR (PAS Claim Response Bundle)
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Intermediary
1) Map X12 to the PAS Claim Response Bundle
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Provider
1) Discover of Payer's Endpoint/Capabilities
2) Gather Requested information (Documents)
3) Interoperate with DTR (Questionnaire)
3) invoke $submit-attachment to send attachment to Payer's endpoint
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2 Types of Attachment Requests
(Remember we are talking about *Solicited Requests*)
1) Documents
- LOINC Attachment Codes
- PWK Codes
- Both
5) Questionnaires
- LOINC code + Identifier for Questionnaire Bundle
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LOINC Attachment Codes
- Provider maps the PAS Response Bundle
- directly to the $submit-attachment's Parameters resource or
- indirectly via the PAS Task
*See CDex RI Example and Postman Collection Examples*
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PWK Attachment Codes
or
Both PWK and LOINC Attachment Codes
- Same as with LOINC - Provider maps the PAS Response Bundle
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Issues:
- Dearth of Example Data
- PAS Response Bundles
- No example in RI or Postman Collection for PWK codes
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Questionnaires
2) Provider maps the PAS Response Bundle to PAS Task
3) Launch DTR
4) Map PAS Task to to $submit-attachment's Parameters resource
5) Invoke $submit-attachment
*See Postman Collection Example*
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Issues:
1) Dearth of Example Data
2) Limited Questionnaire Capabilities in RI
4) CQL adoption
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Links to Da Vinci Guides:
- Da Vinci Clinical Data Exchange (CDex): https://hl7.org/fhir/us/davinci-cdex/
- Da Vinci Prior Authorization Support (PAS) FHIR IG: https://build.fhir.org/ig/HL7/davinci-pas/
- Da Vinci - Documentation Templates and Rules: https://build.fhir.org/ig/HL7/davinci-dtr/
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Links to CDex Reference implementations:
- Clinical Data Exchange (CDex) Reference Implementation: https://foundry.hl7.org/products/74a0eacd-3190-4324-b73b-603bdd7db154
- CDex Payer Reference FHIR Server: https://cdex-payer-server.davinci.hl7.org/fhir
- CDex Provider Reference FHIR Server: https://cdex-provider-server.davinci.hl7.org/fhir
- CDex %submit-attachment endpoint: https://cdex-commreq.davinci.hl7.org/$submit-attachment
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Links to Postman Collections:
- [PAS-CDex Transaction](https://www.postman.com/healthedata1/workspace/healthedata1-s-public-workspace/folder/1447203-1cfef17d-8cff-4a93-ad6a-7f0a3d8b377b?action=share&creator=1447203&ctx=documentation&active-environment=1447203-c17e9643-6f13-4952-b8a0-3ef843121746)
- [Other CDex Transactions](https://www.postman.com/healthedata1/workspace/healthedata1-s-public-workspace/collection/1447203-21c11251-0523-49f8-8a95-84f691ca6353?action=share&creator=1447203&active-environment=1447203-c17e9643-6f13-4952-b8a0-3ef843121746)
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