46 lines
1.7 KiB
SQL
46 lines
1.7 KiB
SQL
library example version '1.0.0'
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using FHIR version '4.0.1'
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include FHIRHelpers version '4.0.1'
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codesystem "Observation Category Codes": 'http://terminology.hl7.org/CodeSystem/observation-category'
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valueset "Encounter Inpatient": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.666.5.307'
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valueset "Emergency Department Visit": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.292'
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valueset "Telephone Evaluation": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.464.1003.101.12.1082'
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valueset "Telephone Management": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.464.1003.101.12.1053'
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valueset "COVID-19 Screening Result": 'TBD'
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code "Laboratory Observation Category": 'laboratory' from "Observation Category Codes"
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parameter "Measurement Period" Interval<DateTime>
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context Patient
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define "Inpatient, Emergency, or Telephone Evaluation or Management Encounter":
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(
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[Encounter: "Encounter Inpatient"]
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union [Encounter: "Emergency Department Visit"]
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union [Encounter: "Telephone Evaluation"]
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union [Encounter: "Telephone Management"]
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) Encounter
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where Encounter.status = 'finished'
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and Encounter.period during "Measurement Period"
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define "Initial Population":
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exists ("Inpatient, Emergency, or Telephone Evaluation or Management Encounter")
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define "Denominator":
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true
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define "COVID-19 Communicable Disease Screening":
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[Observation: "COVID-19 Screening Result"] Result
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where exists (Result.category C where C ~ "Laboratory Observation Category")
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and Result.status in { 'final', 'amended', 'corrected' }
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and Result.effective during "Measurement Period"
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define "Numerator":
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exists ("COVID-19 Communicable Disease Screening")
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