resourceType: StructureDefinition
id: cdex-patient-demographics
url: 'http://hl7.org/fhir/us/davinci-cdex/StructureDefinition/cdex-patient-demographics'
name: CDexPatientDemographics
title: CDex Patient Demographics Profile
status: active
description: |-
 This Profile is defined as a [contained](http://hl7.org/fhir/R4/references.html) resource within the CDex Task Attachment Request Profile or CDex Task Data Request Profile.  It is referenced when additional patient demographic data is communicated for a clinical data request (such as verifying patient identity for HIPAA compliance regulations).  It constrains the following elements to be *mandatory* (min=1):
 
 - A default resource ID of "patient"
 - A member ID identifier [slice](https://hl7.org/fhir/R4/profiling.html#slicing)
 - A patient's name

 and the following element to be [*must support*](attachments-conformance.html#cdex-must-support-definition) (min=0):

 - A patient account number identifier slice  
 - A date of birth

fhirVersion: 4.0.1
kind: resource
abstract: false
type: Patient
baseDefinition: 'http://hl7.org/fhir/StructureDefinition/Patient'
derivation: constraint
differential:
  element:


    - id: Patient.id
      path: Patient.id
      short: Resource ID Default Value
      min: 1
      max: '1'
      fixedId: patient  # referenced by Task.reasonReference.reference
      mustSupport: true 

    - id: Patient.identifier
      path: Patient.identifier
      min: 1
      slicing:
        discriminator:
          - type: value   # need identifier type for slicing
            path: $this
        rules: open
      mustSupport: true

    - id: Patient.identifier.value
      path: Patient.identifier.value
      min: 1
      max: '1'
      mustSupport: true     

    - id: 'Patient.identifier:mb'
      path: Patient.identifier
      sliceName: mb
      short: Unique Member Identifier
      definition: The unique member identifier for this patient.
      min: 1      
      max: '1'
      patternIdentifier:   # need identifier type for slicing
        type:
          coding:
            - system: 'http://terminology.hl7.org/CodeSystem/v2-0203'
              code: MB
      mustSupport: true

    - id: 'Patient.identifier:pac'  
      path: Patient.identifier
      sliceName: pat
      short: Provider Assigned Patient Account Number
      definition: This is the unique patient identifier assigned by the provider when they submit a Claim or Prior Authorization.
      comment: The unique patient identifier for this patient.
      min: 0
      max: '1'
      patternIdentifier:   # need identifier type for slicing
        type:
          coding:
            - system: 'http://hl7.org/fhir/us/carin-bb/CodeSystem/C4BBIdentifierType'
              code: pat
      mustSupport: true

    - id: Patient.name
      path: Patient.name
      min: 1
      max: '1'
      mustSupport: true

    - id: Patient.birthDate
      path: Patient.birthDate
      min: 1
      mustSupport: true