description: Profile for Patient Health Questionnaire-9 (PHQ-9) total score Observations (0-27; higher scores indicate more severe depression).
package_name: de.medizininformatikinitiative.kerndatensatz.pros
derivation: constraint
name: MII_PR_PRO_Observation_PHQ_9
type: Observation
elements:
  extension:
    index: 0
    slicing:
      slices:
        instantiatesCanonical:
          match: {}
          schema:
            index: 0
            elements:
              value:
                pattern: {type: Canonical, value: 'https://www.medizininformatik-initiative.de/fhir/ext/modul-pro/ObservationDefinition/mii-obsdef-pro-score-phq-9'}
                choices: []
                index: 2
  code:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: 44261-6, system: 'http://loinc.org', display: 'Patient Health Questionnaire 9 item (PHQ-9) total score [Reported]'}
    index: 3
  value:
    choices: [valueQuantity]
    index: 5
  valueQuantity: {type: Quantity, choiceOf: value, index: 6}
  value[x]:
    elements:
      value: {mustSupport: true, index: 7}
      unit:
        pattern: {type: String, value: '{score}'}
        index: 8
      system:
        pattern: {type: Uri, value: 'http://unitsofmeasure.org'}
        index: 9
      code:
        pattern: {type: Code, value: '{score}'}
        index: 10
    required: [value]
  method:
    elements:
      coding:
        pattern:
          type: Coding
          value: {code: 44249-1, system: 'http://loinc.org', display: 'PHQ-9 quick depression assessment panel [Reported.PHQ]'}
        index: 11
      text:
        pattern: {type: String, value: Patient Health Questionnaire-9 (PHQ-9)}
        index: 12
package_version: 2026.5.1
extensions:
  instantiatesCanonical:
    url: null
    index: 0
    elements:
      value:
        pattern: {type: Canonical, value: 'https://www.medizininformatik-initiative.de/fhir/ext/modul-pro/ObservationDefinition/mii-obsdef-pro-score-phq-9'}
        choices: []
        index: 2
class: profile
kind: resource
url: https://www.medizininformatik-initiative.de/fhir/ext/modul-pro/StructureDefinition/mii-pr-pro-observation-phq-9
base: https://www.medizininformatik-initiative.de/fhir/ext/modul-pro/StructureDefinition/mii-pr-pro-score-instance
version: 2026.5.1