At 7:35 am +1000 13/5/06, Ian Haywood wrote:
Andrew McIntyre wrote:
code sets that have been specified. Its the quality of implementation
and not the standard. The labs have the ability to produce compliant
messages, but given the current business model its the market that
gives them the will to do it.
Agree with these points but would add that the standard is not as
well-drafted as it could be
and has multiple points of 'interpretion' where the programmer can
do X or Y and still be within the standard.
This is probably inevitable given the standard is a 'blue-sky'
document: it's not referring to a real implementation
Again, as many others have, I make the call for a reference implementation
Ian
The latest version of AS4700.2 is substantially based on real
implementations, excepting that there are many places where real
implementations differ from one another and one has to compromise
somehow when trying to get towards less variance.
Every pathology lab does tests a little differently - so making them
all report consistently is not a small cost-free task.
HB262 provides more guidance on implementation. The version for the
latest AS4700.2 is still in the works.
Reference implementation is in the works - pending funding approval.
The radiology messaging standard is a "blue-sky" standard. It is
actually easier to document "one way" in a blue sky environment where
there are fewer toes to tread on. We are still waiting on
implementations.
A "standard" *cannot* be written based on "one real implementation"
without giving undue market power to the owner of said
implementation. Hence it does *not* happen in a consensus environment.
The prospects of harmonisation of real different implementations are
slim - EG beta/vhs; DVD standards. It can only happen through
negotiation where both camps have to give ground - ie no real
implementation can be the answer.
Ian.
--
Dr Ian R Cheong, BMedSc, FRACGP, GradDipCompSc, MBA(Exec)
Health Informatics Consultant, Brisbane, Australia
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