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This material was developed by Duke University, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information.

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Presentation on theme: "This material was developed by Duke University, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information."— Presentation transcript:

1 This material was developed by Duke University, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information Technology under Award Number IU24OC000024. Component 9 - Networking and Health Information Exchange Unit 4-6 - Basic Health Data Standards

2 Unit 4-6 Objectives Discuss Clinical Data Architecture (CDA), Continuity of Care Document (CCD), and Continuity of Care Record (CCR) Standards 2Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

3 Clinical Document Architecture Document markup standard that specifies the structure and semantics of "clinical documents" for the purpose of exchange. Defined information object that can include text, images, sounds, and other multimedia content. The architecture specifies the schemas required for exchange. 3Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

4 Characteristics of CDA Persistence Stewardship Potential for authentication Context Wholeness Human readability 4Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

5 Key Aspects of CDA The CDA specification is richly expressive and flexible. Encoded in XML. Data elements derive their meaning from the HL7 RIM Uses the HL7 Data Types. 5Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

6 CDA Allow cost effective implementation across as wide a spectrum of systems as possible. Support exchange of human-readable documents between users, including those with different levels of technical sophistication. Promote exchange that is independent of the underlying transfer or storage mechanism. 6Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

7 Major Components A CDA document is wrapped by the element, and contains a header and a body. The header lies between the and the elements and identifies and classifies the document and provides information on authentication, the encounter, the patient, and the involved providers. 7Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

8 XML Markup for CDA XML tag is defined Data is expressed as data element name Data value is “value” Each entry has a start tag and a stop tag /. – code = “11488-4” Entries may be nested. 8Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

9 ............... DOCUMENTDOCUMENT Major Components of a CDA Document 9Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011 ENTRIESENTRIES Narrative Block SECTIONSSECTIONS BODYBODY DOCUMENTDOCUMENT External References Header

10 Header Components Contextual header –Author –Confidentiality –Data enterer –Human language –Informant –Legal authenticator –Participant –Record target 10 sets context for the entire document Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

11 Major Components 11... CDA Header............ Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

12 CDA Specification 12 The CDA specification permits the use of document codes and section codes. Thus, it is possible to differentiate a "Consultation Note" from a "Discharge Summary" because the two will have distinct document codes in the document instance. Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

13 Rendering Tags 13 This is rendered bold, this is rendered bold and italicized, this is rendered bold. Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

14 14 <code code="10153-2" codeSystem="2.16.840.1.113883.6.1“ codeSystemName="LOINC"/> Past Medical History There is a history of Asthma <code code="84100007 codeSystem="2.16.840.1.113883.6.96" codeSystemName="SNOMED CT" displayName="history taking (procedure)"/> <value xsi:type="CD" code="195967001" codeSystem="2.16.840.1.113883.6.96" codeSystemName="SNOMED CT" displayName="Asthma"> CDA Narrative Block Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011 Source: Bob Dolin, HL7

15 LOINC Document Codes 28568-4 Visit Note Emergency Department Physician 34862-3 Admission Evaluation Note Inpatient Attending General Medicine 11488-4 Consultation Note {Setting} {Provider} 15Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

16 Continuity of Care Document The content of the CCR was reflected into the CDA in a manner consistent with other models being developed by HL7. This method accelerated convergence within HL7 around a common clinical statement model, leading to closer collaboration with several domain committees, such as results, family history, allergies, problems and medications. 16Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

17 CCD Sections Payers Advance Directives Support Functional Status Problems Family History Social History Alerts, allergies, AE Medications Medical Equipment Immunizations Vital Signs Results Procedures Encounters Plan of Care 17Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

18 CCD 18 7 July 2008 CCD maps the CCR elements into a CDA representation. 2.16.840.1.113883.19.1 Assessment Time 200004071430 Hematology CBC WO DIFFERENTIAL 43789009 SNOMED CT Final Results Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011 Source: Bob Dolin, HL7

19 CCD - 2 19 <code code="30954-2“ codeSystem="2.16.840.1.113883.6.1" codeSystemName="LOINC"/> Laboratory results CBC (04/07/2000): HGB 13.2; WBC 6.7; PLT 123* <code code="43789009" codeSystem="2.16.840.1.113883.6.96" codeSystemName="SNOMED CT" displayName="CBC WO DIFFERENTIAL"/> Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011 Source: Bob Dolin, HL7

20 Continuity of Care Record Patient health summary detail Flexible document Relevant and timely core information about patients for exchange among patients Standard from ASTM XML syntax 20Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

21 CCR Content Demographics Diagnosis Problem list Medication Allergies Insurance Care Plan 21Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

22 Summary Structured documents have great power to enable interoperability Structure complicated but content simple – data elements with XML tags Permits migration from narrative text to coded data – key to migration to interoperability Internationally becoming the exchange document of choice. 22Component 9/Unit 4-6Health IT Workforce Curriculum Version 2.0/Spring 2011

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