Rest Secure

A security update for the long-standing CDA style sheet is available from Lantana Consulting Group here. This update addresses a potential vulnerability exposed by use of the style sheet in…

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Conformance Drift in Consolidated CDA R2; Part Two of Three

The HL7 Consolidated Clinical Document Architecture (C-CDA) Release 2 ballot received an unprecedented 1,000+ comments. A number of those comments include proposals to tighten various constraints within the document. Here are some arguments towards constraint tightening.

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Conformance Drift in Consolidated CDA R2; Part One of Three

The HL7 Consolidated Clinical Document Architecture (C-CDA) Release 2 ballot received an unprecedented 1,000+ comments. A number of those comments include proposals to tighten various constraints within the document. Although tightened constraints sometimes are necessary, they may also represent bad spec design in the form of a “conformance drift,” a situation in which increasingly restrictive conformance verbs are applied to truly optional elements thus idealizing one implementation of the spec to the exclusion of others.

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Template Versioning for Consolidated CDA (C-CDA)

The HL7 Structured Documents Working Group (SDWG) is discussing approaches to template versioning in Consolidated CDA (C-CDA). I suggest here a strategy that is consistent with current policy on identifiers.

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Join the Ballot Pool for C-CDA (by Monday)

As part of the ongoing effort to enable more consistent and accurate clinical data exchange, the HL7 Implementation Guide for CDA® Release 2: Consolidated CDA Templates for Clinical Notes (US Realm) Draft Standard for Trial Use Release 2 continues to build on the library of CDA R2 templates consolidated within the first release.

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Accelerating Health Information Exchange: Highlight from ONC/CMS Webinar

I recently dialed in for a webinar on Accelerating Health Information Exchange hosted by both the Office of the National Coordinator for HHS (ONC) and the Centers for Medicare and Medicaid (CMS). The government had received over 200 public comment submissions on policies that can strengthen the business case for exchanging information across providers seamlessly and securely. Here are some takeaways from the webinar.

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Updated C-CDA and QRDA Specs Now Available

The updates address errata approved by the HL7 Structured Document Work Group. Both draft standards for trial use are referenced in the Certification Criteria for Meaningful Use Stage 2…

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Our Perspective on Updating Consolidated CDA

Several proposals have come forward to augment HL7 Consolidated CDA with additional templates. The Structured Documents Work Group has taken the position that new templates supporting long term care will be added in an addendum rather than integrated into a new release of the spec. I think this position needs to be reconsidered both as a general course and for the specific material. Here’s why.

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How green is greenCDA?

The answer is, “potentially, pretty darn green.” I was invited to speak at the 2nd Annual Global Healthcare Conference where the topic is the greening of healthcare – reducing the environmental impact of care delivery in the US and around the world…

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Academy V: Around the Corner and Out on the West Coast

Hard to believe that we are already going into our fifth edition of the CDA Academy, the premier place to learn, absorb, ponder and explore everything related to the core specification behind Meaningful Use of electronic health records and all types of clinical information exchange.

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Academy IV: Almost here…

The source for comprehensive training in the core specifications required for Meaningful Use, the CDA Academy, comes around again in Academy IV, now enhanced with a track for policy makers and planners.

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Direction Needed

Health Story recently participated in an advocacy day on Capitol Hill. I helped prepare a broadsheet, and it came to mind when I was asked (again) yesterday about recognition for the Consolidation Project effort.

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