/*
This example is a work in progress and should not be considered a final specification
or recommendation for guidance. This example will help guide and direct the process
of finding conventions and usage patterns that meet the needs of the various stakeholders
in the measure development community.
*/
library SupplementalDataElements

using FHIR version '4.0.1'

include hl7.fhir.uv.cql.FHIRHelpers version '4.0.1' called FHIRHelpers

valueset "Ethnicity": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.4.11.837'
valueset "ONC Administrative Sex": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1'
valueset "Payer": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.4.11.3591'
valueset "Race": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.4.11.836'

context Patient

define "SDE Ethnicity":
  (flatten (
      Patient.extension Extension
        where Extension.url = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-ethnicity'
          return Extension.extension
    )) E
      where E.url = 'ombCategory'
        or E.url = 'detailed'
      return E.value as Coding

define "SDE Payer":
  [Coverage: type in "Payer"] Payer
        return {
          code: Payer.type,
          period: Payer.period
        }

define "SDE Race":
  (flatten (
      Patient.extension Extension
        where Extension.url = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-race'
          return Extension.extension
    )) E
      where E.url = 'ombCategory'
        or E.url = 'detailed'
      return E.value as Coding

define "SDE Sex":
  case
      when Patient.gender = 'male' then Code { code: 'M', system: 'http://hl7.org/fhir/v3/AdministrativeGender', display: 'Male' }
      when Patient.gender = 'female' then Code { code: 'F', system: 'http://hl7.org/fhir/v3/AdministrativeGender', display: 'Female' }
      else null
    end

Encoded data 

Encoded data