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Datatypes R2 Issue 59
Revision as of 22:17, 16 May 2006 by GrahameGrieve (talk | contribs)
Data Types Issue 59: Unknown home phone number
Introduction
It’s not possible to state that a home phone number for a patient is not known using the TEL data type.
current best option: <tel use=”H” nullFlavor=”UNK”>
The problem is that <tel use=”H” nullFlavor=”UNK”> does not tell you whether you are missing the home phone number, the home e-mail address, the home blog, the home fax, the home pager, etc... Since the type of telecommunications is specified as part of the URL in the XML ITS, there needs to be a way to express "Unknown home phone number". A possible solution (according to Keith) can be <tel use=”H” value="tel:" nullFlavor=”UNK”> - in other words, allow the scheme part of the URL to be present for null values.
? backward compatible.
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