Proportion

define "Initial Population":
		Patient.gender = 'female'
				and Global."CalendarAgeInYearsAt"(FHIRHelpers.ToDate(Patient.birthDate), start of "Measurement Period") in Interval[51, 74]
				and exists AdultOutpatientEncounters."Qualifying Encounters"

define "Numerator":
		exists (
				[DiagnosticReport: "Mammography"] Mammogram
						where ( Global."Normalize Interval"(Mammogram.effective) ends 27 months or less before day of end of "Measurement Period" )
								and Mammogram.status in { 'final', 'amended', 'corrected', 'appended' }
		)

define "Denominator":
		"Initial Population"

define "Denominator Exclusion":
		Hospice."Has Hospice"
				or ( Count("Unilateral Mastectomy Procedure") = 2 )
				or ( exists "Right Mastectomy" and exists "Left Mastectomy" )
				or exists "History Bilateral Mastectomy"
				or exists "Bilateral Mastectomy Procedure"

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

define "SDE Sex":
  SDE."SDE Sex"

define "Numerator":
		exists (
				[DiagnosticReport: "Mammography"] Mammogram
						where ( Global."Normalize Interval"(Mammogram.effective) ends 27 months or less before day of end of "Measurement Period" )
								and Mammogram.status in { 'final', 'amended', 'corrected', 'appended' }
		)

define "Qualifying Encounters":
	(
    [Encounter: "Office Visit"]
  		union [Encounter: "Annual Wellness Visit"]
  		union [Encounter: "Preventive Care Services - Established Office Visit, 18 and Up"]
  		union [Encounter: "Preventive Care Services-Initial Office Visit, 18 and Up"]
  		union [Encounter: "Home Healthcare Services"]
  ) ValidEncounter
		where ValidEncounter.period during "Measurement Period"
  		and ValidEncounter.status  = 'finished'

define "Initial Population":
		Patient.gender = 'female'
				and Global."CalendarAgeInYearsAt"(FHIRHelpers.ToDate(Patient.birthDate), start of "Measurement Period") in Interval[51, 74]
				and exists AdultOutpatientEncounters."Qualifying Encounters"

define "Denominator":
		"Initial Population"

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

define "SDE Payer":
  SDE."SDE Payer"

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 Ethnicity":
  SDE."SDE Ethnicity"

define "Has Hospice":
	exists (
    [Encounter: "Encounter Inpatient"] DischargeHospice
			where DischargeHospice.status = 'finished'
		    and (
	        DischargeHospice.hospitalization.dischargeDisposition ~ "Discharge to home for hospice care (procedure)"
				    or DischargeHospice.hospitalization.dischargeDisposition ~ "Discharge to healthcare facility for hospice care (procedure)"
	    	)
				and DischargeHospice.period ends during "Measurement Period"
	)
    or exists (
      [ServiceRequest: "Hospice care ambulatory"] HospiceOrder
        where HospiceOrder.intent = 'order'
            and HospiceOrder.authoredOn in "Measurement Period"
    )
    or exists (
      [Procedure: "Hospice care ambulatory"] HospicePerformed
        where HospicePerformed.status = 'completed'
          and Global."Normalize Interval"(HospicePerformed.performed) overlaps "Measurement Period"
    )

define "Unilateral Mastectomy Procedure":
		[Procedure: "Unilateral Mastectomy"] UnilateralMastectomyProcedure
				where Global."Normalize Interval"(UnilateralMastectomyProcedure.performed) ends before day of end of "Measurement Period"
						and UnilateralMastectomyProcedure.status = 'completed'

define "Right Mastectomy":
		(
				( [Condition: "Status Post Right Mastectomy"] C
          where C.clinicalStatus ~ ToConcept(Global."active")
        )
				union (
						[Condition: "Unilateral Mastectomy, Unspecified Laterality"] UnilateralMastectomyDiagnosis
								where UnilateralMastectomyDiagnosis.bodySite in "Right"
                  and UnilateralMastectomyDiagnosis.clinicalStatus ~ ToConcept(Global."active")
				)
		) RightMastectomy
				where Global."Normalize Interval"(RightMastectomy.onset) starts before day of end of "Measurement Period"

define "Left Mastectomy":
		(
		    ( [Condition: "Status Post Left Mastectomy"] C
          where C.clinicalStatus ~ ToConcept(Global."active")
        )
				union (
						[Condition: "Unilateral Mastectomy, Unspecified Laterality"] UnilateralMastectomyDiagnosis
								where UnilateralMastectomyDiagnosis.bodySite in "Left"
                  and UnilateralMastectomyDiagnosis.clinicalStatus ~ ToConcept(Global."active")
				)
		) LeftMastectomy
				where Global."Normalize Interval"(LeftMastectomy.onset) starts before day of end of "Measurement Period"

define "History Bilateral Mastectomy":
		[Condition: "History of bilateral mastectomy"] BilateralMastectomyHistory
				where Global."Normalize Interval"(BilateralMastectomyHistory.onset) starts before day of end of "Measurement Period"
          and BilateralMastectomyHistory.clinicalStatus ~ ToConcept(Global."active")

define "Bilateral Mastectomy Procedure":
		[Procedure: "Bilateral Mastectomy"] BilateralMastectomyPerformed
				where Global."Normalize Interval"(BilateralMastectomyPerformed.performed) ends before day of end of "Measurement Period"
						and BilateralMastectomyPerformed.status = 'completed'

define "Denominator Exclusion":
		Hospice."Has Hospice"
				or ( Count("Unilateral Mastectomy Procedure") = 2 )
				or ( exists "Right Mastectomy" and exists "Left Mastectomy" )
				or exists "History Bilateral Mastectomy"
				or exists "Bilateral Mastectomy Procedure"

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 Race":
  SDE."SDE Race"