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· Feb 3

HL7 To SDA3 mapping question

#Caché

On Encounter container we want  to map some data from Z segments is that possible?  Presently the mapping from HL7to SDA3 is taking place from HL7 defines segments . is there a way to push the data from Z segment.

Product version: IRIS 2024.1
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Ashok Kumar · Feb 3

Hello @Deepa Shahi

You can customize the SDA3 package. A native discrete SDA class is available to convert the data's from HL7 to FHIR and vise versa. In this case, HS.SDA3.Encounter is the SDA class. There is an additional editable extension class( "HS.Local.SDA3.EncounterExtension" - Encounter) available in these primary SDA classes to customize data elements. You can define all your required data elements in to this extension class and compile the package.

If you're using the SDA to FHIR conversion by DTL native approach.

Customize the DTL

You have to copy the existing DTL "HS.FHIR.DTL.SDA3.vR4.Encounter.Encounter" to "HS.Local.FHIR.DTL.SDA3.vR4.Encounter.Encounter". Before customizing DTLs, you need to specify a single package for all customized DTL classes. InterSystems recommends naming the class package: HS.Local.FHIR.DTL.

Now you can modify the newly copied DTL based on your requirement. this newly created DTL is not invoked by default. So, execute below code in your FHIR enabled namespace. The FHIR API classes use this HS.Local.* DTL packages while generating the resources ("Encounter" )

 set status = ##class(HS.FHIR.DTL.Util.API.ExecDefinition).SetCustomDTLPackage("HS.Local.FHIR.DTL")
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