Normal range/reference ranges for text data type

Bakke, Silje Ljosland silje.ljosland.bakke at
Wed Sep 28 07:27:18 EDT 2016

Hi everyone,

We're working on requirements for labs results, and have bumped into a potential problem. Some results are textual/non-quantitative in nature, for example "positive/negative", "+/++/+++", "negative/borderline/positive". These results also need a kind of "normal range" for the receiving system to be able to mark or emphasise it in the UI. The text data type however doesn't have any normal range/reference ranges attributes in the reference model like the quantity, count and ordinal data types do. We can't have several different places where the normality information is kept for different data types, as this would be very complex to handle. How should this be handled?

Kind regards,
Silje Ljosland Bakke

Information Architect, RN
Coordinator, National Editorial Board for Archetypes
National ICT Norway
Tel. +47 40203298
Web:<> / Twitter: @arketyper_no<>

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