WHO SMART Guidelines - Measles Immunization
0.1.0 - ci-build
WHO SMART Guidelines - Measles Immunization, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-example-immz and changes regularly. See the Directory of published versions
Official URL: http://smart.who.int/immunizations-measles/Library/IMMZCommon | Version: 0.1.0 | |||
Draft as of 2024-08-12 | Computable Name: IMMZCommon |
This library defines common terminologies and functions used throughout the Immunization CPG
Generated Narrative: Library IMMZCommon
Type: Medication (Medication) |
text/cql
library IMMZCommon
using FHIR version '4.0.1'
include FHIRHelpers version '4.0.1'
/**
* @description Fetches a singleton protocol applied from an immunization
* @comment The protocol list from the immunization
*/
define function Only(protocols List<FHIR.Immunization.ProtocolApplied>):
singleton from protocols
/**
* @description Fetches a singleton protocol applied from an immunization
* @comment The protocol list from the immunization
*/
define fluent function only(protocols List<FHIR.Immunization.ProtocolApplied>):
singleton from protocols
/**
* @description Takes the date choice of a date/string choice (for Immunization date)
*/
define function ToDate(choice Choice<FHIR.date, FHIR.string>):
case
when choice is FHIR.date then
choice as FHIR.date
else
Message(null as FHIR.date, true, '1', 'Error', 'Cannot compute a date from a String value')
end
/**
* @description Takes the date choice of a date/string choice (for Immunization date)
*/
define function ToDateTime(choice Choice<FHIR.dateTime, FHIR.string>):
case
when choice is FHIR.dateTime then
choice as FHIR.dateTime
else
Message(null as FHIR.dateTime, true, '1', 'Error', 'Cannot compute a date from a String value')
end
/**
* @description Takes a choice of FHIR.string and FHIR.positiveInt and ensures the result is a FHIR.positiveInt
*/
define function ToPositiveInt(choice Choice<FHIR.positiveInt, FHIR.string>):
case
when choice is FHIR.positiveInt then
choice as FHIR.positiveInt
else
Message(null as FHIR.positiveInt, true, '1', 'Error', 'Cannot compute a positive from a String value') // TODO: I'm sure that this is supported somehow?
end
/**
* @description Takes a choice between a Medication and a CodeableConcept and returns just the code of the medication
*/
define function ExtractMedicationCode(choice Choice<FHIR.CodeableConcept, FHIR.Reference>):
case
when choice is FHIR.CodeableConcept then
choice as FHIR.CodeableConcept
when choice is FHIR.Reference then
First([Medication] M
where M.id = Last(Split(choice.reference, '/'))
return M.code as FHIR.CodeableConcept)
else
Message(null as FHIR.CodeableConcept, true, '1', 'Error', 'Cannot compute a medication code') // TODO: I'm sure that this is supported somehow?
end
/**
* @description Takes a choice between a Medication and a CodeableConcept and returns just the code of the medication
*/
define function ExtractMedicationInitiationDate(choice Choice<FHIR.dateTime, FHIR.Period>):
case
when choice is FHIR.Period then
start of (choice as FHIR.Period)
when choice is FHIR.dateTime then
choice as FHIR.dateTime
else
Message(null as FHIR.dateTime, true, '1', 'Error', 'Cannot compute medication treatment initiation date') // TODO: I'm sure that this is supported somehow?
end
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