PID-3 of sourcePatientInfo too long

[Beat Real]

Hi

I use IPF/3.1.1
I'm trying to upload a documentset with ProvideAndRegisterDocumentSet (ITI-41).
I got an exception from the XDS backend that the request is invalid XML.

Reason: patient identifier list (PID-3) value is longer than 250 characters. I guess it should be split into multiple values.

Sample:
 

       <ns2:Slot name="sourcePatientInfo">
              <ns2:ValueList>
                <ns2:Value>PID-3|REG.1GKKZMY5E2^^^&amp;2.16.756.5.30.1.130.100.10.1.1000.RID~100014831067713091^^^&amp;2.16.756.5.30.1.130.100.10.1.1000.990.1&amp;ISO~100014831067713068^^^&amp;2.16.756.5.30.1.130.100.10.1.1000.901.1.1.3.1&amp;ISO~100014831067713101^^^&amp;2.16.756.5.30.1.130.100.10.1.1000.940.1&amp;ISO</ns2:Value>
                <ns2:Value>PID-5|Dusel^Doris^^^MS</ns2:Value>
                <ns2:Value>PID-7|19911111</ns2:Value>
                <ns2:Value>PID-8|F</ns2:Value>
                <ns2:Value>PID-11|Kurfirstenstrasse 15^^Chur^^7000^ch</ns2:Value>
              </ns2:ValueList>
            </ns2:Slot>

according to IHE spec (4.1.1.5 PID Segment):
PID-3 is limited to max length 250, but can be added multiple times.

Is this a known issue?
Are there any workarounds?

thanks for any hints
Beat

[Dmytro Rud]

Hi Beat,

Multiple values related to the same PID field in sourcePatientInfo are neither explicitly allowed nor explicitly prohibited, therefore I started a discussion in the ititech mailing list (https://groups.google.com/forum/#!topic/ititech/x8meM3oDr88) and submitted a Change Proposal which allows them.  As soon as the IHE ITI committee will accept this proposal, I will add the corresponding functionality to IPF.

The ititech discussion contains also a question to you: do you really have to send all IDs of this patient, and does the receiver of your message need them?

BTW, the section 4.1.1.5 referenced by you describes French extensions to HL7v2-related profiles.  This is not relevant for XDS.

Best regards

Dmytro

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[Beat Real]

Hi Dmytro

thank you for your quick and sound answer!
Unfortunately the ititech mailing list is readable for members only, so I cannot read your proposed Change yet, I have to wait to be accepted.

Your question is legitimate, we have to check if we really need all of these patient IDs, from an application point of view. I will discuss this.

So the "4.2.3.2.23  DocumentEntry.sourcePatientInfo" is the applicable IHE specification.
There it's stated that max length is 256 characters, which is violated by the current implementation.
Just for comparison, the openhealthtools framework splits the patient ids into multiple values, example:

           <rim:Slot name="sourcePatientInfo">
              <rim:ValueList>
                <rim:Value>PID-3|REG.1GKKZMY5E2^^^&amp;2.16.756.5.30.1.130.100.10.1.1000.RID</rim:Value>
                <rim:Value>PID-3|100014831067713091^^^&amp;2.16.756.5.30.1.130.100.10.1.1000.990.1&amp;ISO</rim:Value>
                <rim:Value>PID-3|100014831067713068^^^&amp;2.16.756.5.30.1.130.100.10.1.1000.901.1.1.3.1&amp;ISO</rim:Value>
                <rim:Value>PID-3|100014831067713101^^^&amp;2.16.756.5.30.1.130.100.10.1.1000.940.1&amp;ISO</rim:Value>
                <rim:Value>PID-5|Dusel^Doris^^MS</rim:Value>
                <rim:Value>PID-7|19911111120000</rim:Value>
                <rim:Value>PID-8|F</rim:Value>
                <rim:Value>PID-11|Kurfirstenstrasse 15^^Chur^^7000^ch</rim:Value>
              </rim:ValueList>
            </rim:Slot>
Code hier eingeben...

regards
Beat

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[Dmytro Rud]

A unit test shows that IPF currently can handle multiple PID-3 entries in incoming messages, but does not generate them in outgoing messages.

Best regards

Dmytro

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[Dmytro Rud]

Hello Beat,

CP-ITI-997 has been approved, and now IPF generates multiple PID-3 lines if the list of patient IDs does not fit into a single one.

Best regards

Dmytro