description: This observation contains a description of the wound tissue of the most severe or highest staged pressure ulcer observed on a patient.
package_name: hl7.cda.us.ccda
derivation: constraint
name: HighestPressureUlcerStage
type: http://hl7.org/cda/stds/core/StructureDefinition/Observation
elements:
  templateId:
    index: 0
    slicing:
      rules: open
      discriminator:
      - {path: root, type: value}
      min: 1
      slices:
        highest-pressure-ulcer-stage:
          match: {root: 2.16.840.1.113883.10.20.22.4.77}
          schema:
            _required: true
            index: 1
            elements:
              root:
                pattern: {type: String, value: 2.16.840.1.113883.10.20.22.4.77}
                index: 2
              extension: {index: 3}
            required: [root]
            extensions: {}
  classCode:
    pattern: {type: Code, value: OBS}
    index: 4
  moodCode:
    pattern: {type: Code, value: EVN}
    index: 5
  id: {index: 6}
  code:
    short: Highest Pressure Ulcer Stage
    index: 7
    elements:
      code:
        pattern: {type: Code, value: '420905001'}
        index: 8
      codeSystem:
        short: SNOMED CT
        pattern: {type: String, value: 2.16.840.1.113883.6.96}
        index: 9
    required: [codeSystem, code]
  text:
    short: SHOULD reference the portion of section narrative text corresponding to this entry
    index: 10
    elements:
      reference:
        constraint:
          value-starts-octothorpe: {human: 'If reference/@value is present, it SHALL begin with a ''#'' and SHALL point to its corresponding narrative', source: 'http://hl7.org/cda/us/ccda/StructureDefinition/HighestPressureUlcerStage', severity: error, expression: value.exists() implies value.startsWith('#')}
        index: 11
  value: {index: 12}
package_version: 3.0.0-ballot
class: logical
kind: logical
url: http://hl7.org/cda/us/ccda/StructureDefinition/HighestPressureUlcerStage
base: http://hl7.org/cda/stds/core/StructureDefinition/Observation
version: 3.0.0-ballot
required: [id, value, templateId]