description: Defines constraints and extensions on the Observation resource for use in querying and retrieving pediatric BMI observations.
package_name: hl7.fhir.us.core
derivation: constraint
name: USCorePediatricBMIforAgeObservationProfile
type: Observation
elements:
  code:
    short: BMI percentile per age and sex for youth 2-20
    isModifier: false
    mustSupport: false
    index: 0
    elements:
      coding:
        isModifier: false
        mustSupport: false
        array: true
        min: 1
        index: 1
        slicing:
          rules: open
          discriminator:
          - {path: code, type: value}
          - {path: system, type: value}
          min: 1
          slices:
            BMIPercentile:
              match: {code: 59576-9, system: 'http://loinc.org'}
              schema:
                isModifier: false
                mustSupport: false
                _required: true
                index: 2
                elements:
                  system:
                    type: uri
                    pattern: {type: Uri, value: 'http://loinc.org'}
                    isModifier: false
                    mustSupport: false
                    index: 3
                  code:
                    type: code
                    pattern: {type: Code, value: 59576-9}
                    isModifier: false
                    mustSupport: false
                    index: 4
                required: [system, code]
    required: [coding]
  valueQuantity:
    isModifier: false
    mustSupport: false
    index: 5
    elements:
      value: {type: decimal, isModifier: false, mustSupport: true, index: 6}
      unit: {type: string, isModifier: false, mustSupport: true, index: 7}
      system:
        type: uri
        pattern: {type: Uri, value: 'http://unitsofmeasure.org'}
        isModifier: false
        mustSupport: true
        index: 8
      code:
        pattern: {type: Code, value: '%'}
        isModifier: false
        short: Coded responses from the common UCUM units for vital signs value set.
        type: code
        mustSupport: true
        index: 9
    required: [value, unit, system, code]
package_version: 2.1.0
class: profile
kind: resource
url: http://hl7.org/fhir/us/core/StructureDefinition/pediatric-bmi-for-age
base: http://hl7.org/fhir/StructureDefinition/vitalsigns
version: 3.0.0
required: [valueQuantity]