Parsing Radiology Results w/ OBX segments

[mrslatezb]

Basically I am trying to parse some radiology results within an OBX segment. According to the standard, I should be able to have my OBR segment to let me know the test ID and name. Then a number of multiple OBX segments.

If i paste a message like the following into the Mirth transformer and try to view the tree, Mirth throws an error on the last line of the following message.

MSH|^~\&|RM|HRM|||20060927070711||ORU^R01|20060927070711452|P|2.3|||AL|NE
PID|||00-00-00
OBR||||1111111^Test/Test
OBX|||US
OBX|||||Information

The error reads

Premature end of file.
org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
com.webreach.mirth.client.ui.HL7XMLTreePanel.setMessage(HL7XMLTreePanel.java:101)
com.webreach.mirth.client.ui.editors.TabbedReferencePanel$2.componentShown(TabbedReferencePanel.java:227)
java.awt.Component.processComponentEvent(Unknown Source)
java.awt.Component.processEvent(Unknown Source)
java.awt.Container.processEvent(Unknown Source)
java.awt.Component.dispatchEventImpl(Unknown Source)
java.awt.Container.dispatchEventImpl(Unknown Source)
java.awt.Component.dispatchEvent(Unknown Source)
java.awt.EventQueue.dispatchEvent(Unknown Source)
java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
java.awt.EventDispatchThread.pumpEvents(Unknown Source)
java.awt.EventDispatchThread.pumpEvents(Unknown Source)
java.awt.EventDispatchThread.run(Unknown Source)

I seem to be able to have data in the 3rd part of the OBX segment, but when I try to parse where the results should be, I get this ugly error.

[chrisl]

Re: Parsing Radiology Results w/ OBX segments

When trying it on the latest build, I get this:

ca.uhn.hl7v2.HL7Exception: OBX-5 is valued, but OBX-2 is not.  A datatype for OBX-5 must be specified using OBX-2.

Ensure that OBX.2 has a value, try this:

MSH|^~\&|RM|HRM|||20060927070711||ORU^R01|20060927070711452|P|2.1|||AL|NE
PID|||00-00-00
OBR||||1111111^Test/Test
OBX|||US
OBX||ST|||Information

[mrslatezb]

Re: Parsing Radiology Results w/ OBX segments

Chris,

Thanks for the information. That seemed to work! Of course, the only problem is now I have all these messages I can't currently parse without some type of pre-processing. Is Mirth 1.2 still scheduled for release on October 25th with a pre-processor?

Justin

[mrslatezb]

Re: Parsing Radiology Results w/ OBX segments

Wow, I hate to be a pain here Chris but could you help me with one other problem. I am also processing some lab results

MSH|^~\&|LA01|A||A|200609262342|RESULTR01OUT|ORU^R 01|0626936457|P|2.2|||AL|NE
PID|||111-11111
OBR||||1111111^Test
OBX|1||UAAP^TEST INFO||RESULT

This throws a very similar error. I can't seem to locate why this one is causing a problem as it seems to adhere to the required fields. Maybe i am missing something again.

Thank you so much,
Justin

[mrslatezb]

Re: Parsing Radiology Results w/ OBX segments

And of course for my new issue with lab results, heading back to the standard always seem to provide the answer. It says concerning Field 2 (The ValueType field) "It must be valued if OBX-11-Observation result status is not valued with an ?X"" Since in my case it wasnt valued at all, I need to place a value into field 2. Placing ST for string data corrected my problems!!

Here is the following corrected message for reference for other people with the same problem.

MSH|^~\&|LA01|A||A|200609262342|RESULTR01OUT|ORU^R01|0626936457|P|2.2|||AL|NE
PID|||111-11111
OBR||||1111111^Test
OBX|1|ST|UAAP^TEST INFO||RESULT

[chrisl]

Re: Parsing Radiology Results w/ OBX segments

Glad it's working!

[mrslatezb]

Re: Parsing Radiology Results w/ OBX segments

Chris,

Of course now that I have this working, I hope that the people im dealing with sending the messages are able to change this information for us. If not, however, do you know when the Mirth pre-processor will be available for us. I know, I know its wishful thinking but I'd love to continue to use Mirth for my project.

[chrisl]

Re: Parsing Radiology Results w/ OBX segments

Pre-processor is coming on Wednesday/Thursday.

-Chris

[mrslatezb]

Re: Parsing Radiology Results w/ OBX segments

Chris,

You are my saving grace! Thanks so much for all of your help, I should be able to finish my project now.

Justin