| 1 | MAGDHL7 ;WOIFO/PMK,MLH - Routine to copy HL7 data from HLSDATA to ^MAGDHL7 ; 02/07/2007 14:07 | 
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| 2 | ;;3.0;IMAGING;**11,30,86**;20-February-2007;;Build 1024 | 
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| 3 | ;; Per VHA Directive 2004-038, this routine should not be modified. | 
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| 4 | ;; +---------------------------------------------------------------+ | 
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| 5 | ;; | Property of the US Government.                                | | 
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| 6 | ;; | No permission to copy or redistribute this software is given. | | 
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| 7 | ;; | Use of unreleased versions of this software requires the user | | 
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| 8 | ;; | to execute a written test agreement with the VistA Imaging    | | 
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| 9 | ;; | Development Office of the Department of Veterans Affairs,     | | 
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| 10 | ;; | telephone (301) 734-0100.                                     | | 
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| 11 | ;; | The Food and Drug Administration classifies this software as  | | 
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| 12 | ;; | a medical device.  As such, it may not be changed in any way. | | 
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| 13 | ;; | Modifications to this software may result in an adulterated   | | 
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| 14 | ;; | medical device under 21CFR820, the use of which is considered | | 
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| 15 | ;; | to be a violation of US Federal Statutes.                     | | 
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| 16 | ;; +---------------------------------------------------------------+ | 
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| 17 | ;; | 
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| 18 | Q | 
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| 19 | ;Steps for setting up the HL7 package. Version 1.5 | 
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| 20 | ;1) Create an entry in the HL7 APPLICATION PARAMETER file (771) called | 
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| 21 | ;   'PACS GATEWAY' and set ACTIVE/INACTIVE field to ACTIVE. | 
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| 22 | ;2) Create an entry in the HL7 NON-DHCP APPLICATION PARAMETER file (770) | 
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| 23 | ;   called 'PACS GATEWAY' and set DHCP APPLICATION field to 'PACS GATEWAY' | 
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| 24 | ;   (repoint to file 771). | 
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| 25 | ;3) Set the Entry Action field of the RA SEND entry in the Protocol file | 
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| 26 | ;   (101) to call 'PACS GATEWAY | 
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| 27 | ;   EXAMPLE:  Replace xxxx With PACS GATEWAY | 
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| 28 | ; | 
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| 29 | ENTRY ; Entry point for HL7 1.5 version | 
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| 30 | N DA,EDT,DIK,DIR,HLSDT,KDT,MAGN,MAGOUT,POP | 
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| 31 | ; Entry point from ^HLTRANS to copy the data from HLSDATA to ^MAGDHL7( | 
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| 32 | ; This code was reset due to a max. string code error.  Peter indicated | 
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| 33 | ; he did not need the 5th piece of the OBR segment. | 
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| 34 | I $D(HLSDATA(3)),$P(HLSDATA(3),"^")="OBR" S $P(HLSDATA(3),"^",5)="" | 
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| 35 | D ADDDTA($NA(HLSDATA)) | 
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| 36 | ; Adjust the returned HLSDATA array to start at 0 instead of 1 | 
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| 37 | S IX=1 | 
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| 38 | F  Q:'IX  Q:'$D(HLSDATA(IX))  D | 
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| 39 | . S HLSDATA(IX-1)=HLSDATA(IX) K HLSDATA(IX) | 
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| 40 | . S IX=$O(HLSDATA(IX)) | 
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| 41 | . Q | 
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| 42 | Q:$D(HLSDT) | 
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| 43 | D NOW^%DTC S Y=$$NEWMSG($P(%,".",1)) | 
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| 44 | S $P(^MAGDHL7(2006.5,+Y,0),"^",2)=$P(HLSDATA(0),"^",9) ; Message type | 
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| 45 | S L=1,J=0 S ^MAGDHL7(2006.5,+Y,1,L,0)=HLSDATA(0) | 
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| 46 | F  S J=$O(HLSDATA(J)) Q:J'>0  D | 
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| 47 | . S L=L+1,^MAGDHL7(2006.5,+Y,1,L,0)=HLSDATA(J) | 
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| 48 | . Q | 
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| 49 | S ^MAGDHL7(2006.5,+Y,1,0)="^^"_L_U_L_U_DT | 
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| 50 | ; Capture time | 
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| 51 | S X=$P($G(^MAGDHL7(2006.5,+Y,0)),"^",3) | 
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| 52 | K:X ^MAGDHL7(2006.5,"C",X,+Y) | 
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| 53 | S X=$$NOW^XLFDT() | 
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| 54 | S $P(^MAGDHL7(2006.5,+Y,0),"^",3)=X | 
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| 55 | S ^MAGDHL7(2006.5,"C",X,+Y)="" | 
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| 56 | Q | 
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| 57 | ; | 
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| 58 | EN ; Entry point for HL7 1.6. Called from the MAG SEND ORU/ORM protocols. | 
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| 59 | ; Executed after the RA protocols setup the HL7 message segments. | 
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| 60 | D EN2 | 
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| 61 | Q | 
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| 62 | ; | 
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| 63 | EN2 ; | 
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| 64 | N DA,DIE,DIC,DR,I,J,K,L,MAGRAD,MAGRAN,MAGSAN,MAGTYPE,Y,X | 
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| 65 | I $D(HLQUIT),HLQUIT Q  ; HL7 routines may have failed. | 
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| 66 | S MAGRAD="" | 
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| 67 | F I=1:1 X HLNEXT Q:HLQUIT'>0  D | 
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| 68 | . S MAGRAD(I)=HLNODE,J=0 | 
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| 69 | . F  S J=$O(HLNODE(J)) Q:'J  S MAGRAD(I)=MAGRAD(I)_HLNODE(J) | 
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| 70 | . Q | 
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| 71 | ; Above code needed for segments greater than 245 characters. | 
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| 72 | S MAGTYPE=$G(HL("MTN")),MAGRAN=$G(HL("RAN")),MAGSAN=$G(HL("SAN")) | 
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| 73 | ; Add demo and modality info expected by MAGDHR* routines on gateway | 
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| 74 | D ADDDTA($NA(MAGRAD)) | 
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| 75 | ; Fall-Through intentional | 
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| 76 | ; EdM: I can find no evidence that the label below is invoked from anywhere | 
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| 77 | ;      in the released code... | 
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| 78 | UPDATE ; Add the entry in the MAGDHL7(2006.5 global. | 
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| 79 | D NOW^%DTC S Y=$$NEWMSG($P(%,".",1)) | 
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| 80 | I +Y<1 Q  ; Entry not made in file. | 
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| 81 | S $P(^MAGDHL7(2006.5,+Y,0),"^",2)=MAGTYPE | 
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| 82 | ; Add HL7 message into word processing field. | 
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| 83 | S (L,K)=0 F  S K=$O(MAGRAD(K)) Q:'K  S L=L+1,^MAGDHL7(2006.5,+Y,1,L,0)=MAGRAD(K) D | 
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| 84 | . ; If segment has more than one line of data, add as a single line | 
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| 85 | . ; Peter's code will take care of this. | 
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| 86 | . S J=0 F  S J=$O(MAGRAD(K,J)) Q:'J  S L=L+1,^MAGDHL7(2006.5,+Y,1,L,0)=MAGRAD(K,J) | 
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| 87 | S ^MAGDHL7(2006.5,+Y,1,0)="^2006.502^"_L_"^"_L_"^"_DT | 
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| 88 | S X=$P($G(^MAGDHL7(2006.5,+Y,0)),"^",3) | 
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| 89 | K:X ^MAGDHL7(2006.5,"C",X,+Y) | 
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| 90 | S X=$$NOW^XLFDT | 
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| 91 | S $P(^MAGDHL7(2006.5,+Y,0),"^",3)=X | 
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| 92 | S ^MAGDHL7(2006.5,"C",X,+Y)="" | 
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| 93 | Q | 
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| 94 | ; | 
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| 95 | ADDDTA(XARY) ; SUBROUTINE - called by ENTRY, EN2 | 
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| 96 | ; Add demographic, visit, and modality information to HL7 messages. | 
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| 97 | ; | 
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| 98 | ; input:  XARY   name of array into which additional HL7 message data is to | 
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| 99 | ;                be populated (@XARY should already contain HL7 msg segments) | 
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| 100 | ;                valued  "MAGRAD"   for radiology orders | 
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| 101 | ;                        "HLSDATA"  for ADT messages | 
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| 102 | ; | 
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| 103 | ; output: @XARY  with demo, visit, modality segments added | 
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| 104 | ;                or NTE segment added after MSH if there was a problem | 
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| 105 | ; | 
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| 106 | ; The DICOM gateway's MAGDHR* routines formerly expected to be able to use | 
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| 107 | ; a DDP link to gather supplementary information about patient demographics | 
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| 108 | ; and modality.  This subroutine populates the HL7 segments with the | 
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| 109 | ; supplementary data, eliminating the need for the DDP link. | 
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| 110 | ; | 
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| 111 | N MAG7WRK ; -- work array for HL7 message | 
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| 112 | N STSRBLD ; -- rebuild status | 
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| 113 | N S1,S2 ; ---- scratch segment index vars | 
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| 114 | ; | 
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| 115 | ; Break out message -- If parse fails, insert a NTE segment and bail | 
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| 116 | ; | 
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| 117 | I $$PARSE^MAG7UP(XARY,$NA(MAG7WRK)) D  Q | 
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| 118 | . ; Set 1st, 2nd seg indices - don't overwrite bare MSH | 
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| 119 | . S S1=$O(@XARY@(0)) S:'S1 S1=1 | 
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| 120 | . S S2=$O(@XARY@(S1)) S:'S2 S2=S1+1 | 
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| 121 | . S @XARY@((S1+S2)/2)="NTE|1||bad HL7 message structure" | 
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| 122 | . Q | 
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| 123 | D PIDADD^MAG7RS ; Add patient demographic data | 
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| 124 | D ADDVSDG^MAG7RS ; Add patient visit and diagnosis data | 
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| 125 | I MAG7WRK(1,9,1,1,1)="ORU" D OBXUPD^MAG7RSO ; Add numeric diag codes | 
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| 126 | S STSRBLD=$$MAKE^MAG7UM($NA(MAG7WRK),XARY) | 
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| 127 | I STSRBLD D  Q | 
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| 128 | . ; Set 1st, 2nd seg indices - don't overwrite bare MSH | 
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| 129 | . S S1=$O(@XARY@(0)) S:'S1 S1=1 | 
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| 130 | . S S2=$O(@XARY@(S1)) S:'S2 S2=S1+1 | 
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| 131 | . S @XARY@((S1+S2)/2)="NTE|1||bad HL7 message structure" | 
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| 132 | . Q | 
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| 133 | Q | 
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| 134 | ; | 
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| 135 | NEWMSG(DATE) ; Add a stub for a new message | 
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| 136 | N D0,HDR | 
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| 137 | S DATE=DATE\1 | 
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| 138 | L +^MAGDHL7(2006.5,0):1E9 ; Background process MUST wait | 
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| 139 | S D0=$O(^MAGDHL7(2006.5," "),-1)+1 | 
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| 140 | S ^MAGDHL7(2006.5,D0,0)=DATE | 
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| 141 | S:DATE'="" ^MAGDHL7(2006.5,"B",DATE,D0)="" | 
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| 142 | S HDR=$G(^MAGDHL7(2006.5,0)) | 
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| 143 | S ^MAGDHL7(2006.5,0)="PACS MESSAGE^2006.5D^"_D0_"^"_($P(HDR,"^",4)+1) | 
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| 144 | L -^MAGDHL7(2006.5,0) | 
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| 145 | Q D0 | 
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| 146 | ; | 
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