The answer isn't completely simple. Some background here
<http://www.openehr.org/releases/AM/latest/docs/ADL2/ADL2.html#_terminology_integration>.
If there are bindings defined for snomed_ct, read2 and ctv3 to the
ac-code that appears in the archetype definition section, and no further
constraint is given, the implication is that any code from any
terminology with a binding may be used at runtime. Since this is
normally on a value-set by value-set basis, each value set (each
distinct ac-code) will have a binding entry only in those terminology
groups in the binding section that make sense.
On 29/10/2015 15:31, Barnet David (HEALTH AND SOCIAL CARE INFORMATION
CENTRE) wrote:
All
I have a modelling issue where I’m trying to bind a single data point
or an archetype to a choice of terminology & code systems.
The actual use case is that I’m modelling a new-born hips examination,
and the result may be given as either a SNOMED CT concept, a Read 2
code or a CTV3 code (for those unfamiliar with Read 2 & CTV3, they are
code systems used (mostly) in primary care in the UK). In the actual
instance, each code/concept will have a code system identifier to
distinguish the actual code system used
For example, a result of “no abnormalities and no risk factors” can be
represented as either
*SNOMED CT*
*Read2*
*CTV3*
ID
FSN
ID
Term
ID
Term
985701000000100
Newborn and Infant Physical Examination Screening Programme, hip
examination done, no abnormality and no risk factor
9OqJ1
NIPE hip, no abnor&no rsk fctr
XadAN
NIPE hip, no abnor&no rsk fctr
In the modelling tools I see you can have a choice, but I can’t see
how the choice supports multiple terminologies. I see that it does
support a choice of a terminology & Free text.
Is there a “standard” way of saying a data point may be represented by
one of 3 terminologies/codes systems? Or is this something the tooling
deliberately stops you doing?
Thanks in advance
Dave Barnet
Interoperability Lead
Interoperability Specifications
Health & Social Care Information Centre
NHS in England
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