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):\n\n- A default resource ID of \"patient\"\n- A member ID identifier [slice](https://hl7.org/fhir/R4/profiling.html#slicing)\n- A patient's name\n\nand the following element to be [*must support*](attachments-conformance.html#cdex-must-support-definition) (min=0):\n\n- A patient account number identifier slice  \n- A date of birth
package_name: hl7.fhir.us.davinci
derivation: constraint
name: CDexPatientDemographics
type: Patient
elements:
  id:
    short: Resource ID Default Value
    pattern: {type: Id, value: patient}
    mustSupport: true
    index: 0
  identifier:
    mustSupport: true
    index: 1
    elements:
      value: {mustSupport: true, index: 2}
    required: [value]
    slicing:
      rules: open
      discriminator:
      - {path: $this, type: value}
      min: 1
      slices:
        mb:
          match:
            type:
              coding:
              - {code: MB, system: 'http://terminology.hl7.org/CodeSystem/v2-0203'}
          schema:
            short: Unique Member Identifier
            mustSupport: true
            _required: true
            pattern:
              type: Identifier
              value:
                type:
                  coding:
                  - {code: MB, system: 'http://terminology.hl7.org/CodeSystem/v2-0203'}
            index: 3
          min: 1
          max: 1
        pat:
          match:
            type:
              coding:
              - {code: pat, system: 'http://hl7.org/fhir/us/carin-bb/CodeSystem/C4BBIdentifierType'}
          schema:
            short: Provider Assigned Patient Account Number
            mustSupport: true
            pattern:
              type: Identifier
              value:
                type:
                  coding:
                  - {code: pat, system: 'http://hl7.org/fhir/us/carin-bb/CodeSystem/C4BBIdentifierType'}
            index: 4
          min: 0
          max: 1
  name: {mustSupport: true, index: 5}
  birthDate: {mustSupport: true, index: 6}
package_version: cdex-2.1.0
class: profile
kind: resource
url: http://hl7.org/fhir/us/davinci-cdex/StructureDefinition/cdex-patient-demographics
base: http://hl7.org/fhir/StructureDefinition/Patient
version: 2.1.0
required: [id, name, identifier, birthDate]