HL7 SURVIVAL
GUIDE
CHAPTER 7
A publication of
A supplement to the HL7 Survival Guide, available at
http://caristix.com/blo...
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DECK
HL7 SURVIVAL GUIDE CHAPTER 7
Caristix software brings your whole interfacing
process...
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CHAPTER 7: Gap Analysis
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HL7 SURVIVAL GUIDE CHAPTER 7
Now that you have profiles for your source and destinat...
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HL7 SURVIVAL GUIDE CHAPTER 7
Gap analysis:
• Tells you what is missing
• What needs ...
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HL7 SURVIVAL GUIDE CHAPTER 7
1. Manual analysis – onerous process when based
on real...
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HL7 SURVIVAL GUIDE CHAPTER 7 7
Questions to Answer
1. Does the destination system ha...
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HL7 SURVIVAL GUIDE CHAPTER 7 8
4 Steps to a Gap Analysis
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HL7 SURVIVAL GUIDE CHAPTER 7
• Gap analysis is critical for the accurate scoping of ...
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HL7 SURVIVAL GUIDE CHAPTER 7
Without a gap analysis that details your requirements:
...
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HL7 SURVIVAL GUIDE CHAPTER 7
• The best course of action? Use this sample gap analys...
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HL7 SURVIVAL GUIDE CHAPTER 7
• Chapter 8 in the HL7 Survival Guide
• Test Scenarios ...
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: HL7 Survival Guide - Chapter 7 – Gap Analysis

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This guide is for healthcare integration analysts and their managers. In this chapter, learn how to set up a crucial HL7 document: the gap analysis. Once you have the needed profiles for your source and destination systems, you need to capture a list of all the gaps existing between the two systems.

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: HL7 Survival Guide - Chapter 7 – Gap Analysis

  1. 1. HL7 SURVIVAL GUIDE CHAPTER 7 A publication of A supplement to the HL7 Survival Guide, available at http://caristix.com/blog/category/hl7-survival-guide/
  2. 2. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 Caristix software brings your whole interfacing process together in a single, powerful platform. 2 ABOUT CARISTIX VENDOR- AGNOSTIC Work with any interface engine. NO MORE TRIAL AND ERROR Scope it right. Manage requirements. CUT TIME-TO- GO-LIVE Up to 50%. CLEAR YOUR INTERFACING BACKLOG Simplify dramatically. Align teams. REQUEST A DEMO http://promo.caristix.com/demo/
  3. 3. WWW.CARISTIX.COM SHARE THE SLIDE DECK CHAPTER 7: Gap Analysis
  4. 4. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 Now that you have profiles for your source and destination files, what’s next? 4 Capture a list of all the gaps existing between the two systems in a requirements document. How? Conduct a gap analysis.
  5. 5. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 Gap analysis: • Tells you what is missing • What needs to be bridged • Captures the difference in messaging • Allows for the exchange of data • Documents the system • Identifies who will handle issues (you, the vendor or another 3rd party 5 Gap Analysis
  6. 6. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 1. Manual analysis – onerous process when based on real-world messages 1. Commonly analysts develop templates in Microsoft Word or Excel 2. Look at messages 3. Run queries 4. Manually document findings 2. Use software that automates the gap analysis process 6 How to Develop and Interface Gap Analysis Document
  7. 7. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 7 Questions to Answer 1. Does the destination system handle all of the message types from the sending system? 2. Are there any differences between the message structures in each system? If so, what are they? 3. Are there any mandatory data elements on one side that are optional on the other? If so, what are they? 4. Do both systems use the same code sets? Are they the same values? Which values do I need to map? 5. Do both systems specify the same maximum length of characters for data fields? 6. What z-segments are in use? 7. Is the data semantically consistent? In other words, does the meaning or significance of an element always match across both systems? 8. What are the requirements for encryption or de-identification, usage restrictions, and HIPAA compliance related to confidential information?
  8. 8. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 8 4 Steps to a Gap Analysis
  9. 9. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 • Gap analysis is critical for the accurate scoping of interface to be build • It’s essential to communicate who does what on an interface – Is the vendor changing a field? – Is the interface engine handling the field transformation? • Pin all this down before development begins • Avoid wasting time iterating through multiple changes later in the interface lifecycle 9 Why You Need This Artifact
  10. 10. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 Without a gap analysis that details your requirements: • You’ll end up implementing a generic interface that doesn’t address your organization’s unique needs • Your end users will be frustrated that they can’t easily access all the information they need • You’ll end up wasting time, money, and effort troubleshooting after going live With a gap analysis, you can avoid extended go-live periods, significant maintenance at increased cost, and unhappy clinician end-users who are unable to access the data they need to deliver appropriate patient 10 Business Impact of Missing Gap Analysis
  11. 11. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 • The best course of action? Use this sample gap analysis template to get started on the right foot! 11 Download Gap Analysis Template
  12. 12. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 • Chapter 8 in the HL7 Survival Guide • Test Scenarios and Test Systems – Now that you understand the requirements-related artifacts you need, it’s time for testing. Learn more in Chapter 8. – Blog link: http://caristix.com/blog/2012/11/hl7-survival- guide-chapter-8/ – Slide deck on Slideshare: coming soon. 12 UP NEXT: CHAPTER 8
  13. 13. WWW.CARISTIX.COM SHARE THE SLIDE DECK HL7 SURVIVAL GUIDE CHAPTER 7 Is a recommendation unclear? Disagree with something we said? Let us know! We thrive on feedback. Contact Us support@caristix.com 1-877-872-0027 13 QUESTIONS? FEEDBACK? © Caristix 2013. All rights reserved.

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