HL7 SURVIVAL       GUIDE INTRO AND CHAPTER 1  A supplement to the HL7 Survival Guide, available at            www.caristix...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      2ABOUT CARISTIXCaristix software brings your whole interfacing process together ...
INTRODUCTIONWWW.CARISTIX.COM   SHARE THE SLIDEDECK
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      4• Interfacing…• You can’t live without it…• But you don’t have to sufferWWW.CAR...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      5USE THE SURVIVAL GUIDE• Get a firm grasp on challenges, standards, choices• Unr...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      6HL7 DEFINED• HL7: a language that enables consistent exchange  of health-relate...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      7HL7 VERSION 2 OR 3?• HL7 v3 was released years ago• But most clinical applicati...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      83 MAIN CHALLENGES WITH HL71. Customizable HL7 format• Data structure/format bas...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      93 MAIN CHALLENGES WITH HL72. Configurable and Customizable HL7 Data  Tables and...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      103 MAIN CHALLENGES WITH HL73. HL7 Data Semantics• Good semantics means: the mea...
CHAPTER 1: HOW TO INTEGRATE AND EXCHANGE DATAWWW.CARISTIX.COM                             SHARE THE SLIDEDECK
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      12THE FIRST STEP•   Define your healthcare integration strategy•   Do you need a...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      13INTERFACES REQUIRE DEVELOPMENT EFFORT• What does HL7-compliant really mean?   ...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      14POINT-TO-POINT INTERFACES• Healthcare organizations use different applications...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      15INTERFACE AND INTEGRATION ENGINES•   Engine: middleware to connect systems.•  ...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      16WHAT’S THE DIFFERENCE BETWEEN AN INTERFACE ENGINE AND  AN INTEGRATION ENGINE?•...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      17TRADE-OFFS BETWEEN COST AND COMPLEXITY• Point-to-point: get your feet wet• Nee...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      18TRANSPORTING AN HL7 MESSAGE• HL7 guides format and data, but not transportatio...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      19UP NEXT: CHAPTER 2• Chapter 2 in the HL7 Survival Guide• The Pros and Cons of ...
HL7 SURVIVAL GUIDE INTRO & CHAPTER 1      20QUESTIONS? FEEDBACK?Is a recommendation unclear?Disagree with something we sai...
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HL7 Survival Guide - Chapter 1: How to Integrate and Exchange Data

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Chapter 1: How to Integrate and Exchange Data.
Also available at: http://caristix.com/blog/2012/11/hl7-survival-guide-chapter-1-how-to-integrate-and-exchange-data/

This guide is for healthcare integration analysts and their managers. HL7 interfacing and interoperability – you can’t live without it but that doesn’t mean you have to suffer as you work to connect the systems that make your environment hum along. This guide will help you get a firm grasp on all the challenges, standards, and choices you need to make along the way, whether you’re developing interfaces on your own or working with a third party.

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HL7 Survival Guide - Chapter 1: How to Integrate and Exchange Data

  1. 1. HL7 SURVIVAL GUIDE INTRO AND CHAPTER 1 A supplement to the HL7 Survival Guide, available at www.caristix.com/blog/hl7-survival-guide A publication of
  2. 2. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 2ABOUT CARISTIXCaristix software brings your whole interfacing process together in a single, powerful platform. CUT TIME-TO- NO MORE TRIAL GO-LIVE AND ERROR Up to 50%. Scope it right. Manage requirements. VENDOR- CLEAR YOUR AGNOSTIC INTERFACING Work with any BACKLOG interface engine. Simplify dramatically. Align teams. REQUEST A DEMO http://promo.caristix.com/demo/WWW.CARISTIX.COM SHARE THE SLIDEDECK
  3. 3. INTRODUCTIONWWW.CARISTIX.COM SHARE THE SLIDEDECK
  4. 4. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 4• Interfacing…• You can’t live without it…• But you don’t have to sufferWWW.CARISTIX.COM SHARE THE SLIDEDECK
  5. 5. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 5USE THE SURVIVAL GUIDE• Get a firm grasp on challenges, standards, choices• Unravel misconceptions• Handle multiple interoperability issues due to Meaningful UseWWW.CARISTIX.COM SHARE THE SLIDEDECK
  6. 6. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 6HL7 DEFINED• HL7: a language that enables consistent exchange of health-related information• Check out this video for a 3-minute overview of HL7:• http://youtu.be/qewOJPxz4-cWWW.CARISTIX.COM SHARE THE SLIDEDECK
  7. 7. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 7HL7 VERSION 2 OR 3?• HL7 v3 was released years ago• But most clinical applications and real-world implementations use v2.3 or v2.4 as the base standard• MU specifies v2.x in several requirements• Danger points: – HL7 v3 is not backwards-compatible – Adoption is low. Some call v3 a failure• Our recommendation: stick with v2!WWW.CARISTIX.COM SHARE THE SLIDEDECK
  8. 8. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 83 MAIN CHALLENGES WITH HL71. Customizable HL7 format• Data structure/format based on trigger events, segments, fields, and data types.• Must account for complex clinical workflows• No true “HL7 compliance” except in the most general senseWWW.CARISTIX.COM SHARE THE SLIDEDECK
  9. 9. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 93 MAIN CHALLENGES WITH HL72. Configurable and Customizable HL7 Data Tables and Code Sets• HL7 recommends data values.• But can be customized.• Some must be customized – for instance, hospital location codes.• The upshot: data is handled differently, depending on the application or system.WWW.CARISTIX.COM SHARE THE SLIDEDECK
  10. 10. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 103 MAIN CHALLENGES WITH HL73. HL7 Data Semantics• Good semantics means: the meaning or context of the data is exchanged accurately.• Example: does NA mean “Not Applicable” or “No Allergies”?WWW.CARISTIX.COM SHARE THE SLIDEDECK
  11. 11. CHAPTER 1: HOW TO INTEGRATE AND EXCHANGE DATAWWW.CARISTIX.COM SHARE THE SLIDEDECK
  12. 12. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 12THE FIRST STEP• Define your healthcare integration strategy• Do you need an interface engine?• Point to point?• What integration capabilities?• Which systems to integrate?WWW.CARISTIX.COM SHARE THE SLIDEDECK
  13. 13. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 13INTERFACES REQUIRE DEVELOPMENT EFFORT• What does HL7-compliant really mean? – Surprisingly little.• Development effort must address – Custom message formats – Custom data values – Your code sets – Vendor quirksWWW.CARISTIX.COM SHARE THE SLIDEDECK
  14. 14. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 14POINT-TO-POINT INTERFACES• Healthcare organizations use different applications and systems – Billing – EMR – Labs – Pharmacy• Must exchange data• Simplest option: point-to-point interface or direct connection between two systems• But # of point-to-point interfaces can explode with multiple systemsWWW.CARISTIX.COM SHARE THE SLIDEDECK
  15. 15. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 15INTERFACE AND INTEGRATION ENGINES• Engine: middleware to connect systems.• No need for individual connections• Orchestrate message workflow• Transform message formats• Guarantee message deliveryWWW.CARISTIX.COM SHARE THE SLIDEDECK
  16. 16. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 16WHAT’S THE DIFFERENCE BETWEEN AN INTERFACE ENGINE AND AN INTEGRATION ENGINE?• Range of functions and business capabilities• Your choice depends on your business needsWWW.CARISTIX.COM SHARE THE SLIDEDECK
  17. 17. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 17TRADE-OFFS BETWEEN COST AND COMPLEXITY• Point-to-point: get your feet wet• Need more than a handful of interfaces? A plain- vanilla engine.• Complex clinical workflows, multiples systems and locations? Look at integration engines.WWW.CARISTIX.COM SHARE THE SLIDEDECK
  18. 18. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 18TRANSPORTING AN HL7 MESSAGE• HL7 guides format and data, but not transportation.• Engines do the translation, mediation, orchestration, and routing.• Choose transport mechanism that makes the most sense: LLP, TCP sockets, FTP, Web Services, email, or something else.• Understand your sending and receiving applications’ requirements.WWW.CARISTIX.COM SHARE THE SLIDEDECK
  19. 19. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 19UP NEXT: CHAPTER 2• Chapter 2 in the HL7 Survival Guide• The Pros and Cons of Interfacing Capabilities – Point-to-point, interfacing, and integration all have their advantages and drawbacks. Learn more in Chapter 2. – Blog link: http://caristix.com/blog/2012/11/hl7-survival- guide-chapter-2/ – Slide deck on Slideshare: coming soon.WWW.CARISTIX.COM SHARE THE SLIDEDECK
  20. 20. HL7 SURVIVAL GUIDE INTRO & CHAPTER 1 20QUESTIONS? FEEDBACK?Is a recommendation unclear?Disagree with something we said?Let us know! We thrive on feedback.Contact Ussupport@caristix.com1-877-872-0027WWW.CARISTIX.COM © Caristix 2013. All rights reserved. SHARE THE SLIDEDECK

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