ICD-10 Mapping to SNOMED-CT®

American Healthcare Perspective on ICD-10 by AAPC

The work undertaken on harmonisation between ICD-11 and SNOMED-CT® is different from the mapping of ICD-10 to SNOMED-CT® particularly as ICD-10 has already been implemented.  Rodrigues and colleagues have highlighted subtle aspects of the challenges faced in the mapping process. One fundamental aspect of the challenges was particularly instructive

SNOMED CT explicitly says that it is NOT an “ontology”, but a “clinical terminology”. It uses poly-hierarchical classification technology and, as a consequence, has many overlapping classes. Furthermore, its representation language cannot express disjointness………ICD-10 explicitly states that it is NOT a “clinical terminology” but a “classification”. Its architecture is guided by the mono-hierarchic principle: all sibling classes are disjoint. It does not attempt to describe reality directly but to identify the necessary and sufficient conditions that qualify and/or disqualify instances for membership in mutually-exclusive categories

So in summary, there are instances of ICD-9 and ICD-10 being used in practice currently. Mapping ICD-9 and ICD-10 to SNOMED-CT® offers challenges that are distinct from those presented in the harmonisation between SNOMED-CT® and ICD-11.

Appendix A – Other Posts in the Series on Health Information Exchanges

Arizona Statewide Health Information Exchange

A History of The Health Information Exchange in Pennsylvania

The Arkansas Health Information Exchange – SHARE

The California Health Information Exchange – Cal Index

Creating a Health Information Exchange in Arizona

Health Information Exchanges

Health Information Exchanges and Chronic Conditions

HIPPA and Health Information Exchanges

ICD-11 and SNOMED CT®

Mapping ICD 9 (or 10) to SNOMED CT®

Over 1 Million Relationships: SNOMED CT ®

Standardisation of Health Information Technology in New Zealand

Why Do We Need Electronic Record Systems to Talk to Each Other

Appendix B – Definition of Health Information Exchange

This is the definition of the Health Information Exchange that I use (Hersh et al, 2015)

Health information exchange (HIE), the electronic sharing of clinical information across the boundaries of health care organizations

Index: There are indices for the TAWOP site here and here

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Responses: If you have any comments, you can leave them below or alternatively e-mail justinmarley17@yahoo.co.uk.

Disclaimer: The comments made here represent the opinions of the author and do not represent the profession or any body/organisation. The comments made here are not meant as a source of medical advice and those seeking medical advice are advised to consult with their own doctor. The author is not responsible for the contents of any external sites that are linked to in this blog.

Conflicts of Interest: *For potential conflicts of interest please see the About section.

 

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