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HL7 V3 – the Medication Information/Pharmacy Domain Julie James Blue Wave Informatics.

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Presentation on theme: "HL7 V3 – the Medication Information/Pharmacy Domain Julie James Blue Wave Informatics."— Presentation transcript:

1 HL7 V3 – the Medication Information/Pharmacy Domain Julie James Blue Wave Informatics

2 HL7 V3 What (or who) is HL7?What (or who) is HL7? Why is it important?Why is it important? What is V3?What is V3? How does V3 apply to Medication Information?How does V3 apply to Medication Information? How does HL7 V3 relate to UKCPRS?How does HL7 V3 relate to UKCPRS?

3 What is HL7? International Standards Developing Organisation (SDO)International Standards Developing Organisation (SDO) Producing standards (or specifications) for messaging of clinical and administrative data between systems in healthcareProducing standards (or specifications) for messaging of clinical and administrative data between systems in healthcare Modelling and sending medical messages is equated to the top layer of the ISO Communications modelModelling and sending medical messages is equated to the top layer of the ISO Communications model

4 HL7 Mission Statement To provide standards for the exchange, management and integration of data that support clinical patient care and the management, delivery and evaluation of healthcare services. Specifically, to create flexible, cost effective approaches, standards, guidelines, methodologies and related services for interoperability between healthcare information systemsTo provide standards for the exchange, management and integration of data that support clinical patient care and the management, delivery and evaluation of healthcare services. Specifically, to create flexible, cost effective approaches, standards, guidelines, methodologies and related services for interoperability between healthcare information systems

5 Why is HL7 Important? To the NHSTo the NHS To the Healthcare IT IndustryTo the Healthcare IT Industry To patientsTo patients

6 For the NHS? In early summer 2002, HL7 Version 3 was designated as a strategic direction for NHS Standards by the Information Standards BoardIn early summer 2002, HL7 Version 3 was designated as a strategic direction for NHS Standards by the Information Standards Board Works in co-operation with ISO (the International Standards Organisation) and CEN (the European Standards Organisation)Works in co-operation with ISO (the International Standards Organisation) and CEN (the European Standards Organisation)

7 For the Healthcare IT Industry Domain is messaging of clinical and administrative data in healthcareDomain is messaging of clinical and administrative data in healthcare Membership includes healthcare providers, health insurance companies, clinicians, academics and government representativesMembership includes healthcare providers, health insurance companies, clinicians, academics and government representatives Putting ones own home in order!Putting ones own home in order!

8 For Patients? Focussed around unambiguous messaging of patient care interactionsFocussed around unambiguous messaging of patient care interactions Volunteer organisation with strict operating procedures for development to ensure openness, consensus and balance of interestVolunteer organisation with strict operating procedures for development to ensure openness, consensus and balance of interest International – wide body of expertise and experienceInternational – wide body of expertise and experience Safe Communication about Life Critical InformationSafe Communication about Life Critical Information

9 What is V3? What was/is V2?What was/is V2? Why is V3 needed?Why is V3 needed? V3 PrinciplesV3 Principles –the Static Core –the Dynamic Components

10 What was/is V2? Initial development (late 1980s) produced V2Initial development (late 1980s) produced V2 Widely used in US, particularly in Secondary Care sectorWidely used in US, particularly in Secondary Care sector Also used internationallyAlso used internationally Based on structured, segmented, coded messagesBased on structured, segmented, coded messages Not intuitive, flexible only at the cost of clarityNot intuitive, flexible only at the cost of clarity

11 Why is V3 Needed? Stronger methodology to support true interoperability of systemsStronger methodology to support true interoperability of systems Reflecting development of messaging, including new technologiesReflecting development of messaging, including new technologies Allowing more sensible internationalisationAllowing more sensible internationalisation

12 V3 Core – the Static Model Reference Information Model (RIM)Reference Information Model (RIM) –Uses UML like methodology and notation –6 core classes and relationships –Gives a consistently ordered set of classes and attributes foundational for unambiguous messaging Domain Information Model (D-MIM)Domain Information Model (D-MIM) –Specialises RIM classes for a particular domain area (e.g. Pharmacy, Billing etc.) Refined Message Information Model (R-MIM)Refined Message Information Model (R-MIM) –Constrains the D-MIM for a particular set of messages (e.g. prescribing)

13 V3 – the Dynamic Component StoryboardsStoryboards Application RolesApplication Roles Interactions (State Transitions)Interactions (State Transitions) Trigger EventsTrigger Events Message TypesMessage Types

14 V3 Medication Information Focussed on dealing with messages to support the Supply and Administration of therapeutic substances to patientsFocussed on dealing with messages to support the Supply and Administration of therapeutic substances to patients Initially:Initially: –Bare bones systems PrescribingPrescribing DispensingDispensing AdministrationAdministration –More complex messaging Master file updateMaster file update Knowledge ManagementKnowledge Management

15 Messaging about Medicines Primary CarePrimary Care –ETP –GP2GP Records Secondary CareSecondary Care –Prescribing system to Pharmacy System –Pharmacy system to Robotic Dispenser –Prescribing system to Administration System Primary to Secondary Care (& V/V)Primary to Secondary Care (& V/V)

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17 How does HL7 V3 relate to UKCPRS? Medication Messages must use a Vocabulary to describe medicinesMedication Messages must use a Vocabulary to describe medicines Represented in the Pharmacy D-MIM by two CMETs (modelled data)Represented in the Pharmacy D-MIM by two CMETs (modelled data) –Medicinal Product (VMP/AMP) –Packaged Medicinal Product (VMPP/AMPP) –Also Route of Administration International understanding and harmonisation where appropriateInternational understanding and harmonisation where appropriate

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21 Want to know more??? HL7 UK WebsiteHL7 UK Website HL7 UK membership/trainingHL7 UK membership/training HL7 UK Technical Committee meetingHL7 UK Technical Committee meeting UK Medication Information group (!)UK Medication Information group (!) Main HL7 Pharmacy List ServerMain HL7 Pharmacy List Server Main HL7 WebsiteMain HL7 Website Holidays in the US three times a year…….Holidays in the US three times a year…….


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