Da Vinci Prior Authorization Support (PAS) FHIR IG
2.2.0-snapshot - STU 2.2 - Public Review United States of America flag

Da Vinci Prior Authorization Support (PAS) FHIR IG, published by HL7 International / Financial Management. This guide is not an authorized publication; it is the continuous build for version 2.2.0-snapshot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/davinci-pas/ and changes regularly. See the Directory of published versions

CodeSystem: PAS Temporary Codes

2.2.0-snapshot
Official URL: http://hl7.org/fhir/us/davinci-pas/CodeSystem/PASTempCodes Version:
Standards status: Trial-use Draft as of 2026-01-30 Maturity Level: 4 Computable Name: PASTempCodes
Other Identifiers: OID:2.16.840.1.113883.4.642.40.24.16.1

Codes temporarily defined as part of the PAS implementation guide. These will eventually migrate into an officially maintained terminology (likely either SNOMED CT or HL7's UTG code systems).

This Code system is referenced in the definition of the following value sets:

This case-sensitive code system http://hl7.org/fhir/us/davinci-pas/CodeSystem/PASTempCodes defines the following codes in a Is-A hierarchy:

LvlCodeDisplayDefinition
1 provider-src Provider-sourced The metric information was captured from the provider system's perspective
1 payer-src Payer-sourced The metric information was captured from the payer system's perspective
1 intermediary-src Intermediary-sourced The metric information was captured from the intermediary system's perspective
1 changed Changed Previously sent information has been changed.
1 added Added New information that was not sent previously.
1 patientEvent Patient Event Information about the dates of the event that are being requested.
1 admissionDates Admission Dates Information about the admission dates of a hospital admission being requested.
1 dischargeDates Discharge Dates Information about discharge dates of a hospital admission being requested.
1 additionalInformation Additional Information Send additional paperwork or supporting information for the request.
1 freeFormMessage Free Form Message Send text messages to the UMO.
1 institutionalEncounter Institutional Encounter Information about a hospital claim being requested.
1 result-available Result Available A new result for a PAS submission is now available.
1 admitting Admitting The diagnosis given as the reason why the patient was admitted to the hospital.
1 principal Principal The single medical diagnosis that is most relevant to the patient's chief complaint or need for treatment.
1 patientreasonforvisit Patient Reason For Visit The diagnosis given as why the patient came to the hospital.
1 CDEX CDex Submit-Attachment Via a CDex Submitt-Attachment operation
1 attachment-request-code Attach Request Code Attachments are identified by LOINC or PWK01 codes
1 attachment-request-questionnaire Attachment Request Questionnaire Attachments are identified by a questionnaire
1 priorAuthorization Prior Authorization Information Request Additional information is needed to determine response for a prior authorization
1 payer-url Payer URL The Payer Endpoint URL needed to submit attachments
1 attachments-needed Attachments Needed Communicates what attachments are needed
1 questionnaire-context Questionnaire Context Communicates the context of questionnaires that are needed
1 _reqcat Requirements Categories Codes that help to categorize requirements statements
2   business business Requirements relating to the business operations of the entities responsible for a system
2   exchange exchange Requirements relating to when or how data is exchanged with other systems
2   processing processing Requirements related to how data is dealt with internally to a system
2   storage storage Requirements relating to when or how data is or is not persisted within a system
2   privacy privacy Requirements relating to the privacy and security of data within a system

Description of the above table(s).