Normal range/reference ranges for text data type

Thomas Beale thomas.beale at
Wed Sep 28 10:43:44 EDT 2016

Normally this is done with the Ordinal (DV_ORDINAL) data type, which is 
a kind of DV_ORDERED 
which has normal_range and reference_ranges defined.

- thomas

On 28/09/2016 14:25, Karsten Hilbert wrote:
> On Wed, Sep 28, 2016 at 01:23:00PM +0100, Ian McNicoll wrote:
>> If a result is expressed as normal/ abnormal or high/normal/low,
>> surely the 'normalcy range' is self-defining.
>> If there is a need for the lab to assert some kind of textual normalcy
>> rangeThe 'reference range guidance' element  in the Lab panel
>> archetype is intended for this purpose and essentially equates to
>> referenceRange/text in the FHIR Observation.
> I think Silje was asking about a way to define reference
> ranges for textual results in a computable fashion.
> Karsten

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