MDHT - Conflicting Template IDs for SpecimenConditionObservation and SpecimenCollectionProcedure

[Jeff Cardenas]

Hello,

I'm using MDHT and running into an issue where my application can't parse a ResultOrganizer with a SpecimenCollectionProcedure.

For example, when this is parsed:

<organizer>
    <templateId root="2.16.840.1.113883.10.20.22.4.1" extension="2015-08-01"/>
    <templateId root="2.16.840.1.113883.10.20.22.4.1"/>
    ...
    <component>
        <procedure classCode="PROC" moodCode="EVN">
            <templateId root="2.16.840.1.113883.10.20.22.4.415" extension="2018-09-01"/>
            ...

The model I end up with has an organizer with a component, but component.procedure is null.

When I remove the templateId, I end up with a generic component.procedure, so thinking this had something to do specifically with this templateId, I evaluated this in org.eclipse.mdht.uml.cda.internal.resource.CDAXSITypeProvider:

this.classes.get("2.16.840.1.113883.10.20.22.4.415v2018-09-01")

Which printed:

org.eclipse.emf.ecore.impl.EClassImpl@1d2b49b2 (name: SpecimenConditionObservation) (instanceClassName: null) (abstract: false, interface: false)

I'm not too familiar with how MDHT works under the hood, but I'm guessing it's resolving to null because it's trying to parse a procedure as an observation.

Looking at the console.ecore file here:

https://gitlab.eclipse.org/eclipse/mdht/modeling.mdht/-/raw/master/generated/org.openhealthtools.mdht.uml.cda.consol2/model/consol.ecore

I see that they both reference the same templateId:

<eClassifiers xsi:type="ecore:EClass" name="SpecimenConditionObservation" eSuperTypes="../../org.eclipse.mdht.uml.cda/model/cda.ecore#//Observation">
    <eAnnotations source="http://www.openhealthtools.org/mdht/uml/cda/annotation">
        <details key="constraints.validation.error" value="SpecimenConditionObservationTemplateId SpecimenConditionObservationCode SpecimenConditionObservationCodeP SpecimenConditionObservationClassCode SpecimenConditionObservationMoodCode SpecimenConditionObservationValue"/>
        <details key="templateId.root" value="2.16.840.1.113883.10.20.22.4.415"/>
        <details key="templateId.extension" value="2018-09-01"/>

  <eClassifiers xsi:type="ecore:EClass" name="SpecimenCollectionProcedure" eSuperTypes="../../org.eclipse.mdht.uml.cda/model/cda.ecore#//Procedure">
    <eAnnotations source="http://www.openhealthtools.org/mdht/uml/cda/annotation">
        <details key="constraints.validation.error" value="SpecimenCollectionProcedureTemplateId SpecimenCollectionProcedureCode SpecimenCollectionProcedureCodeP SpecimenCollectionProcedureText SpecimenCollectionProcedureTargetSiteCode SpecimenCollectionProcedureTargetSiteCodeP SpecimenCollectionProcedureSpecimenConditionObservation"/>
        <details key="templateId.root" value="2.16.840.1.113883.10.20.22.4.415"/>
        <details key="templateId.extension" value="2018-09-01"/>

SpecimenConditionObservation should have a templateId of "2.16.840.1.113883.10.20.22.4.421:2018-06-12".

SpecimenCollectionProcedure should be "2.16.840.1.113883.10.20.22.4.415:2018-09-01".

See this page for reference:

https://build.fhir.org/ig/HL7/CDA-ccda/templateids.html

Is it possible to have this fixed?

In the meantime, is there a workaround, like can I set something on one of the MDHT factories or packages so that when it sees "2.16.840.1.113883.10.20.22.4.415" it generates a procedure and when it sees "2.16.840.1.113883.10.20.22.4.421" it generates an observation?

[Sean Muir]

Yes you are correct the template id was duplicated

I will update the model asap and push out a version

thanks

Sean

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