That is a sign of not having the same charset on both ends.
In the MSH segment, I recall there are some restrictions that require you to
stay within ASCII 7 bit. The other segments can be any charset you choose.
On Jan 14, 2014, at 11:27 AM, Tom Wilson <twil...@sujansky.com> wrote:
> After some research, I have answered my own question. If no character set is
> defined in MSH-18, then the default is single byte printable ASCII (decimal
> 32-127).
>
> If anyone is interested, I am attaching a test ORU file which includes a full
> set of UTF-8 characters, above and beyond what is supported. You can trim it
> to use this in your tests, or test a more extensive UTF-8 support if you like.
>
> -tom
>
>
> From: Tom Wilson [mailto:twil...@sujansky.com]
> Sent: Tuesday, January 14, 2014 10:27 AM
> To: hl7api-devel@lists.sourceforge.net
> Subject: [HAPI-devel] UTF-8 support, how to define and test?
>
> Hi.
>
> I’m in the final testing phase of a HAPI-based application, and I want to
> define precisely what character encoding it can support. I know the HL7v2
> spec defines UTF-8 as the supported character set. However, it looks like it
> is only supporting a subset of UTF-8. I am testing by ingesting an HL7v2
> message in a unit test and serializing to XML. For example, it looks like
> Simplified Chinese, Vietnamese, Cyrillic, are not supported.
>
> Sending this in an NTE segment:
> 我能吞下玻璃而不伤身体
>
> Produces this on the other end:
> ???????????
>
> So, exactly what UTF-8 characters can I expect to work? I also want to create
> a unit test with a full range of the supported characters.
>
> It might be nice to support other languages, but I don’t know if I can expect
> to receive them from EMR systems.
>
> Thanks in advance,
>
> -tom
>
> <complete-utf8-set.oru>------------------------------------------------------------------------------
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