description: Body Mass Index (BMI) is a measure of body fat based on height and weight.
package_name: lt.hl7.fhir.vitalsigns
derivation: constraint
name: BMI
type: Observation
elements:
  category:
    index: 0
    slicing:
      rules: open
      discriminator:
      - {path: $this, type: value}
      min: 1
      slices:
        VSCat:
          match:
            coding:
            - {code: vital-signs, system: 'http://terminology.hl7.org/CodeSystem/observation-category'}
          schema:
            mustSupport: true
            pattern:
              type: CodeableConcept
              value:
                coding:
                - {code: vital-signs, system: 'http://terminology.hl7.org/CodeSystem/observation-category'}
            _required: true
            index: 1
          min: 1
          max: 1
  interpretation:
    binding: {strength: extensible, valueSet: 'https://hl7.lt/fhir/vitalsigns/ValueSet/numeric-result-interpretation-non-panic|1.0.0'}
    index: 10
  method: {index: 13}
  valueQuantity: {type: Quantity, choiceOf: value, index: 8}
  value:
    choices: [valueQuantity]
    index: 7
  component: {index: 14}
  effectiveDateTime: {type: dateTime, short: Vital Signs are point in time measurements and are recorded using the dateTime data type, choiceOf: effective, index: 5}
  effective:
    short: Vital Signs are point in time measurements and are recorded using the dateTime data type
    choices: [effectiveDateTime]
    index: 4
  code:
    short: Body Mass Index
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: 39156-5, system: 'http://loinc.org', display: 'Body mass index (BMI) [Ratio]'}
    index: 2
  bodySite: {index: 11}
  bodyStructure: {index: 12}
  dataAbsentReason: {index: 9}
package_version: 0.0.1
class: profile
kind: resource
url: https://hl7.lt/fhir/vitalsigns/StructureDefinition/bmi
base: https://hl7.lt/fhir/base/StructureDefinition/lt-observation|0.2.0
version: 1.0.0
required: [effectiveDateTime, category, effective]