Posts by Rick Geimer

Transitioning from CDA to FHIR

FHIR, HL7’s latest standard, supports the document paradigm without document restrictions. FHIR includes a RESTful API out of the box, as well as alternate syntaxes (i.e., XML and JSON). The industry will need transition strategies for those invested heavily in CDA while new implementers move directly to FHIR.

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HL7 Fall WGM: C-CDA on FHIR

This comprehensive tutorial covers FHIR documents; C-CDA on FHIR and US Core; Converting, managing, and validating FHIR documents; and Current/Future Work and Resources.  

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Introduction to Consolidated CDA​(C-CDA)

In this tutorial, Rick Geimer covers the history and need for the Consolidated CDA guide; Use cases for each document type; How to read and understand the guide; Similarities and differences with past work; and Available tools and resources  

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HL7 Webinar: C-CDA on FHIR

In this tutorial, Rick Geimer covers CDA, C-CDA, and FHIR documents; discusses the relationship between C-CDA-on-FHIR and the US Core; conversion between formats; and presented a live walk-through of samples and conversions.  

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Lantana Webinar: C-CDA-on-FHIR

Rick Geimer, Chief Innovation Officer, presented an overview of FHIR Documents, a walkthrough of the C-CDA on FHIR implementation guide, and coverage of bi-directional C-CDA to FHIR transformations including demonstrations. Download the recording and the Q&A log for more information.

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WEDI-Con 2017

Rick Geimer presented “Attachment Payloads: A Detailed View into HL7 C-CDA for Attachments.” Rick demonstrated how to create a CDA document from scanned date and provided a detailed look at crafting HL7 Consolidated CDA documents based on attachments guidelines.

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HL7 2017 FHIR Developer Days

FHIR Developer Days is the largest HL7 FHIR event in the world.​ The three-day event covers some 50 tutorials and keynotes, numerous hands-on sessions guided by experts, and networking opportunities. Rick Geimer led the FHIR Documents track. ​

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CDA in the Wild: Conclusion (Installment #8)

Clinical Documents were never meant to hold 10 pounds of coded data. CDA is a 5-pound bag, containing the actual words, either written directly by a clinician or spoken and transcribed, with the minimal coding necessary for the use case.

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HL7 FHIR Applications Roundtable Showcase

On July 27-28, 2016, Health Level Seven (HL7) convened the first ever roundtable focused on state of the art in application development for the emerging Fast Healthcare Interoperable Resources (FHIR) standard. Lantana’s CEO Liora Alschuler and CTO Rick Geimer attended. Rick gave two of the presentations featured.

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FHIR Profiling in Trifolia Tutorial

In this tutorial, Rick Geimer and Sean McIlvenna explain how to create and modify Fast Healthcare Interoperability Resources (FHIR) profiles using the new functionality in the Trifolia template database. Trifolia is a web-based tool with over 500 users searching, creating, and modifying Clinical Data Architecture (CDA) templates and implementation guides. The latest version provides experimental support for FHIR profile creation.

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CDA in the Wild: Coded Data Issues (Installment #6)

  This week, I have left the bush behind and retreated to the comfort of my office. I am attempting to decode the works of the famous biologist Brice Schneuer, who spent the later part of his career dedicated to Wild CDA research.   Although he published many authoritative works on the species, Schneuer jealously…

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CDA in the Wild: Narrative Issues (Installment #5)

  A solitary Wild CDA has left its pride. We can only presume it is searching for a mate by its extravagantly complex header and the swish of its long tail of codes. However, research tells us that while a long code tail is nice to have, it is the mating call of the CDA,…

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CDA in the Wild: Validation and Schematron (Installment #4)

  It has been weeks since our last episode. Frankly, the sight of that genetically mutated Wild-CDA/North-American-XHTML hybrid left my team so repulsed that many could not continue. But after discussing the importance of this work, and a few crew changes, we are back in the field.   And we are documenting something never seen…

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CDA in the Wild: Validation – XML Schema (Installment #3)

  During our last episode, we stumbled upon a wild CDA lying dead in the grass. Not wanting to pass up such an opportunity, we decided to dissect the beast to uncover the cause of death. The immediate cause turned out to be a malformed end tag that resulted in catastrophic system failure.   Further…

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CDA In The Wild: Basic XML Issues (Installment #2)

  Move in closer now…do you see that? It’s a wild CDA lying motionless in the grass. Surely it’s waiting for prey to…wait, it’s not moving – something’s wrong…   Ah, this one was dead when we got here.   A fair number of wild CDAs suffer from basic XML issues. This means they are…

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