templated cda and cda consolidation project...constrain / consistency\爀...
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![Page 1: Templated CDA and CDA Consolidation Project...constrain / consistency\爀 挀漀洀洀甀渀椀琀礀 氀椀戀爀愀爀礀屲 multiple contributors\爀 猀洀愀氀氀 愀戀氀攀](https://reader033.vdocuments.us/reader033/viewer/2022052000/601303881e47a740ff5f29e2/html5/thumbnails/1.jpg)
© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
Templated CDA and CDA Consolidation Project
Bob Dolin, MD, FACP, FACMI, FHL7
Past Chair, Health Level Seven President and CMO,
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© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
What is templated CDA?
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© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
What is templated CDA?
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© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
What is templated CDA?
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© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
Templated CDA business case
Streamlined standards development Reusable building blocks.
Streamlined standards implementation Implement once, deploy often.
Modular and reusable Templates (e.g., blood pressure, discharge diagnosis) can be
repackaged with other templates in any number of CDA implementation guides.
Core component of CDA’s “incremental interoperability” strategy Begin with simple CDA, and add templates as they are prioritized.
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Templates are computable artifacts
01/01/2011 6
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Templates are computable artifacts
01/01/2011 7
CDA Implementation
Guide
CDA Instance Validation
Data Entry Form
greenCDA XML
Runtime API
Support for standards development
Support for standards implementation
CDA Template Library
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Standards Development
0
100
200
300
400
500
600
700
Tem
plat
es
Implementation Guides
New Templates
Reused Templates
Total Templates
~ 42 templates per guide: 24 new, 18 reused.
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© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
Standards Harmonization
Thousand flowers bloom Active harmonization
Gradual increase in templates, per new use cases
today
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© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
Standard EHR Interface
Local EHR
National Meaningful Use
Clinical reuse
Decision support
Secondary use Quality reporting
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Templated CDA Interoperability Roadmap
Narrative Text
HL7 CDA Structured Documents
Coded Data Elements via Templates
EHR Repository
Clinical Applications
SNOMED CT Disease, DF-00000
Metabolic Disease, D6-00000
Disorder of glucose metabolism, D6-50100
Diabetes Mellitus, DB-61000
Type 1, DB-61010
Insulin dependant type IA, DB-61020
Neonatal, DB75110
Carpenter Syndrome, DB-02324
Disorder of carbohydrate metabolism, D6-50000
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© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
Medications
Payer
Social H
istory
Dem
ographics A
llergies . . . .
Vital Signs
Chief C
omplaint
Discharge
Diagnosis
Problem
s
A CDA document using CCD templates
A CDA document using CCD templates plus others
Mode of
Transport
New
Section…
Family H
istory
Surgical Finding
Discharge D
iet
CDA
CCD
Templated CDA Many different kinds of documents. A bucket of reusable templates.
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Templated CDA Implementation challenge
Creation of an instance conforming to a particular CDA Implementation Guide may require knowledge of: CDA R2 base specification; HL7 Version 3 data type specification; CDA templates defined in the particular IG; CDA templates referenced by the particular IG; Terminology code lists defined/referenced by the particular IG;
Validation of an instance conforming to a particular CDA IG may require: W3C Schema validation; Schematron validation;
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© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
One solution = Consolidate!
Consolidated library of reusable CDA templates and common document types: CCD Consultation Note Diagnostic Imaging
Report Discharge Summary H&P Operative Note Procedure Note Progress Note Unstructured Document
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Another Solution - greenCDA
Create an “authoring schema” that simplifies the creation and processing of a particular CDA IG: Clinically meaningful XML element and attribute names; 100% transformable into conformant CDA IG; Hides certain CDA complexities (such as moodCodes, fixed
attributes, etc).
We call this strategy: greenCDA greenCDA schemas are modular, corresponding to CDA
templates.
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© 2011 Health Level Seven ® International. All Rights Reserved. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. TM Office.
An example – build the greenCDA module
<result> <resultID> <resultDateTime> <resultType> <resultStatus> <resultValue> <resultInterpretation> <resultReferenceRange> </result>
greenCDA schema
Requirements
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An example – create a conformant instance
Conformant CDA instance
<result> <resultID> <resultDateTime> <resultType> <resultStatus> <resultValue> <resultInterpretation> <resultReferenceRange> </result>
greenCDA instance
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CDA template tools
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Thank you!