HL7 Delimiters

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Michael Cham mike@blenderhouse.com asked to Hardhats on Jun 27 2012


Does anyone know how to change the [[HL7 field~|field], [[HL7 segment~|segment], subsegment delimiters used for HL-7 messages emitted from VistA?

Although I'm not sure if it is a good idea to. The HL-7 default is MSH|^~\& The VistA default(at least in the ADT-04 message that is being generated) is MSH^~|\&

^ is used instead of | ~ is used instead of ^ | is used instead of ~

I haven't seen anything the HL-7 menu and a quick scan in fileman didn't turn up any interesting variables.

Thanks, Mike

P.S. Since the MSH is prepended to every message it should be a simple matter for any HL-7 listener to convert tokens accordingly, but apparently it isn't....

--- Ramadan Alsaeidi ramadan352003@gmail.com answered:

Mike go to HL7 Main Menu --> Interface Developer Options --> Application Edit select an application VAFC PIMS for the ADT-04 then change the HL7 FIELD SEPARATOR to | and the HL7 ENCODING CHARACTERS to ^~\&.

---


Select HL7 APPLICATION PARAMETER NAME: ?
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   AAC        ACTIVE
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   DGQE VIC EVENTS        ACTIVE
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   DGRU RAI CLIENT        ACTIVE
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   DHCP CARELIFE        ACTIVE
   DS Pub Man~~L        ACTIVE
   DTS Term Srv~~L        ACTIVE
   E-PHARM VISTA        ACTIVE
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   EAS EDB        ACTIVE
   ECME VISTA        ACTIVE
   EDB eGate        ACTIVE
   EPI-LAB        ACTIVE
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   FB CPE FPPS        ACTIVE
   FB FEE-FPPS        ACTIVE
   GMRA VDEF IE SIDE        ACTIVE
   GMRC IF CONSULT        ACTIVE
   GMRC IF TEST        ACTIVE
   GMRV VDEF IE SIDE        ACTIVE
   HDRADAS        ACTIVE
   HDRADRA        ACTIVE
   HDRALGY        ACTIVE
   HDRPPAR        ACTIVE
   HDRPREF        ACTIVE
   HDRPRES        ACTIVE
   HDRVTLS        ACTIVE
   HEC 050        ACTIVE
   HTAPPL
   IB PFSS RECV        ACTIVE
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   IBB PFSS RECV        ACTIVE
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   IIV EC        ACTIVE
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   INST-MCAR        ACTIVE
   IVM        ACTIVE
   LA7HDR        ACTIVE
   LA7LAB        ACTIVE
   LA7POC1        ACTIVE
   LA7POC2        ACTIVE
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   MAGD-CLIENT        ACTIVE
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   MHV EVAULT        ACTIVE
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   MPIF A29 SERVER        ACTIVE
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   PRCV_IFCAP_2237        ACTIVE
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   TIUHL7 EX RECEIVING APP        INACTIVE
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   VAFC TRIGGER        ACTIVE
   VAFCHL7TEMPLATE        ACTIVE
   VAFH PIMS        ACTIVE
   VAFHL7 TEMPLATE        ACTIVE
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   VISTA_IFCAP        ACTIVE
   VITRIA NC        ACTIVE
   XUHUI MFK        ACTIVE
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   XUMF 04 MFK        ACTIVE
   XUMF 04 MFN        ACTIVE
   XUMF 04 MFQ        ACTIVE
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   XUMF DATA        ACTIVE
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   XWB RECEIVER        ACTIVE
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   YS GAF        ACTIVE
   YS MHA        ACTIVE

        You may enter a new HL7 APPLICATION PARAMETER, if you wish
        The name of the application that will send/receive HL7 messages
        (e.g., RADIOLOGY).  Vista application names must be namespaced and unique.
        Answer must be 3-120 characters in length.

Select HL7 APPLICATION PARAMETER NAME: VAFC PIMS       ACTIVE
                           HL7 APPLICATION EDIT
--------------------------------------------------------------------------------

               NAME: VAFC PIMS                     ACTIVE/INACTIVE: ACTIVE


      FACILITY NAME: 50                               COUNTRY CODE: USA


HL7 FIELD SEPARATOR:?                      HL7 ENCODING CHARACTERS:


         MAIL GROUP: VAFH ADT/HL7




_______________________________________________________________________________
The HL7 field separator used by the DHCP application.  If this field is
not filled in, the uparrow (^) character is defaulted to as the field
separator.  Answer must be 1 character in length.

COMMAND:                                       Press <PF1>H for help    Insert

                           HL7 APPLICATION EDIT
--------------------------------------------------------------------------------

               NAME: VAFC PIMS                     ACTIVE/INACTIVE: ACTIVE


      FACILITY NAME: 50                               COUNTRY CODE: USA


HL7 FIELD SEPARATOR:                       HL7 ENCODING CHARACTERS:?


         MAIL GROUP: VAFH ADT/HL7




_______________________________________________________________________________
The HL7 encoding characters used by the DHCP application.  If this field
is not filled in, the characters ~|\& are used as the default encoding
characters.  Answer must be 1-4 characters in length.


                                               Press <PF1>H for help    Insert