Comments on Standards for Claims Attachments

Co-author: Kanwarpreet Sethi   Lantana Consulting Group commented on the testimony provided on February 16, 2016, to the National Committee on Vital and Health Statistics (NCVHS) Subcommittee on Standards, Hearing…

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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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