Da Vinci Prior Authorization Support (PAS) FHIR IG
2.2.0-ballot - STU 2.2 - Ballot

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-ballot 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

## ValueSet: X12 278 Diagnosis Type Value Set

Official URL: http://hl7.org/fhir/us/davinci-pas/ValueSet/X12278DiagnosisType | Version: 2.2.0-ballot
Standards status: Trial-use Active as of 2026-01-30 | Maturity Level: 3 | Computable Name: X12278DiagnosisType
Other Identifiers: OID:2.16.840.1.113883.4.642.40.24.48.11

This set of codes is used to identify the type of diagnosis that is being conveyed in the prior authorization.

References

- PAS Claim Base
- PAS Claim Base

### Logical Definition (CLD)

- Include these codes as defined in `http://hl7.org/fhir/us/davinci-pas/CodeSystem/PASTempCodes` version 📦2.2.0-ballot

  Code | Display | Definition
  admitting | Admitting | The diagnosis given as the reason why the patient was admitted to the hospital.
  principal | Principal | The single medical diagnosis that is most relevant to the patient's chief complaint or need for treatment.
  patientreasonforvisit | Patient Reason For Visit | The diagnosis given as why the patient came to the hospital.

### Expansion

Expansion performed internally based on codesystem PAS Temporary Codes v2.2.0-ballot (CodeSystem)

This value set contains 3 concepts

System | Code | Display (en) | Definition | JSON | XML
`http://hl7.org/fhir/us/davinci-pas/CodeSystem/PASTempCodes` | admitting | Admitting | The diagnosis given as the reason why the patient was admitted to the hospital. |  |
`http://hl7.org/fhir/us/davinci-pas/CodeSystem/PASTempCodes` | principal | Principal | The single medical diagnosis that is most relevant to the patient's chief complaint or need for treatment. |  |
`http://hl7.org/fhir/us/davinci-pas/CodeSystem/PASTempCodes` | patientreasonforvisit | Patient Reason For Visit | The diagnosis given as why the patient came to the hospital. |  |

Description of the above table(s).