RE: [HAPI-devel] ORM 001 and XML

[Tripp, B. <Bry...@uh...>]

Hi Eric,=20
=20
There are a few things here: 1) The O01 event has a number of =
alternative
structures associated with it, which makes it impossible to choose the
"right" message structure based on the event alone (I'm not aware of any
other events like this).  HAPI defaults to RDO.  There are two ways you =
can
deal with this. If possible, specify the message structure in MSH-9-3 as
ORM_O01.  The other way is to change the default mapping in =
parser.event_map
from the RDO to the ORM structure. =20
=20
2) HAPI's XML support doesn't handle unexpected segments.  (This is on =
the
list of things to do but hasn't been a priority, because few people seem =
to
use XML.)  If the RDO structure is used, your OBR segment looks like an
unexpected one, and the XML parser ignores it. =20
=20
3) I don't have the specs with me (I'm not at work today), but is LAT =
part
of the ORM structure?  If not it will be seen as unexpected in any case, =
and
will be ignored by the XML parser.  To address this you would have to
customize the ORM_O01 class (not difficult ... just one line of code =
added
to the constructor). =20
=20
Bryan=20

________________________________

From: hl7...@li... on behalf of Eric Freed
Sent: Wed 23/02/2005 3:28 PM
To: hl7...@li...
Subject: [HAPI-devel] ORM 001 and XML



Hi,

I am having a problem that I think is related to a problem that has been
brought up here a few times, but I am not sure of the answer.

In the course of testing I tried to have a message go from regular
encoding, to XML and then back. However, the final message is not the
same as the first one:

First message:

----------------------------------------------------------
MSH|^~\&|ADS|LL|PSCRIBE||200209181134||ORM^O01|2|P|2.3
PID|||263334||SMITH^JOHN||19471112|M|||ADDRESS^^CITY^ST||(914)633-7700|||=
||2
63334|123-45-6789
ORC|NW|LL02-194182||||||||||455^JONES^JOHN
OBR||LL02-194182|(963)232-25AF|71020^CHEST PA
LAT||20020920||||||||||455^JONES^JOHN|(914)632-9422
----------------------------------------------------------

returned message:

----------------------------------------------------------
MSH|^~\&|ADS|LL|PSCRIBE||200209181134||ORM^O01|2|P|2.3
PID|||263334||SMITH^JOHN||19471112|M|||ADDRESS^^CITY^ST||(914)633-7700|||=
||2
63334|123-45-6789
ORC|NW|LL02-194182||||||||||455^JONES^JOHN
------------------------------------------------------------


The OBR segment is missing. When I look at the XML, it starts with =
<RDO_O01>

I know the RDO^O01 and ORM^O01 issue has been brought up here, but I
didn't see a solution and don't know if it would cause the problem =
above.

Any advice?

Thanks,


--
Eric Freed
IT Manager
New Rochelle Radiology
914-633-7700 x339



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