Identify Measure to Walk through for Example Case in PublicHealthMeasure Profile

[keithboone]

Given a set of Measure Requirements, create the walk through for defining the measure in the IG.

Q: Should we demonstrate using FHIR Shorthand?
Q: We probably want to start with the decision tree discussed Monday 7/26, pictured below -- there's more to this before it becomes a Measure though.

[keithboone]

Confirmed COVID-19 Patients
Suspected COVID-19 Patients (Symptoms, Procedure Findings, lack of test or test negative)
Previous Days Admission w/ COVID-19 (same as Confirmed COVID-19 Patients as of Date of Admission)
Patients on a Ventilator
Confirmed or Suspected COVID-19 Patients on a Ventilator
Patients receiving Remdesivir

[keithboone]

To get to encounter, we are reliant on at least US Core Release 2.0 for constraints on Encounter resource, this is not a DSTU2 release!

Postive COVID-19 Patients admitted Yesterday

Encounter
period.start = yesterday

[base]/Encounter/period=sa{YESTERDAY-1 day}&type=V3-ActCode|IMP

GREEN_BOX =
resolve(implementation.url +
/Encounter?period=sa{YESTERDAY-1 day}&type=V3-ActCode|IMP)

resolve(implementation.url + '/Observation?patient=' + %GREEN_BOX.patient + '&date=sa'

• sa{YESTERDAY-60 days}).where(
  code in Confirmed COVID-19 Result Code Value Set AND
  (valueCodeableConcept in POSITIVE COVID-19 result value Value Set OR
  valueString in POSITIVE COVID-19 result value Value Set
  )
  )
  )

%GREEN_BOX.patient

%GREEN_BOX.resolve(diagnosis.condition).code in confirmed COVID-19 positive value set) OR
%GREEN_BOX.reasonCode in confirmed COVID-19 positive value set)
%GREEN_BOX.resolve(patient + /Condition).where(
code in confirmed COVID-19 positive value set
AND
onsetDateTime > today()-60 days
)