Ignore:
Timestamp:
Jan 3, 2012, 11:45:29 PM (13 years ago)
Author:
George Lilly
Message:

new ohum version

File:
1 edited

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  • ccr/branches/ohum/p/C0CMED6.m

    r1329 r1330  
    1 C0CMED6 ; WV/CCDCCR/SMH - Meds from RPMS: Outpatient Meds;01/10/09
    2  ;;1.0;C0C;;May 19, 2009;
    3  ; Copyright 2008 WorldVistA.  Licensed under the terms of the GNU
    4  ; General Public License See attached copy of the License.
    5  ;
    6  ; This program is free software; you can redistribute it and/or modify
    7  ; it under the terms of the GNU General Public License as published by
    8  ; the Free Software Foundation; either version 2 of the License, or
    9  ; (at your option) any later version.
    10  ;
    11  ; This program is distributed in the hope that it will be useful,
    12  ; but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  ; GNU General Public License for more details.
    15  ;
    16  ; You should have received a copy of the GNU General Public License along
    17  ; with this program; if not, write to the Free Software Foundation, Inc.,
    18  ; 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    19  ;
    20  W "NO ENTRY FROM TOP",!
    21  Q
    22  ;
    23 EXTRACT(MINXML,DFN,OUTXML,MEDCOUNT,FLAGS)  ; EXTRACT MEDICATIONS INTO PROVIDED XML TEMPLATE
    24  ;
    25  ; MINXML and OUTXML are passed by name so globals can be used
    26  ; MINXML will contain only the medications skeleton of the overall template
    27  ; MEDCOUNT is a counter passed by Reference.
    28  ; FLAGS are: MEDALL(bool)^MEDLIMIT(int)^MEDACTIVE(bool)^MEDPENDING(bool)
    29  ; FLAGS are set-up in C0CMED.
    30  ;
    31  ; MEDS is return array from RPC.
    32  ; MAP is a mapping variable map (store result) for each med
    33  ; MED is holds each array element from MEDS(J), one medicine
    34  ; J is a counter.
    35  ;
    36  ; GETRXS^BEHORXFN(ARRAYNAME,DFN,DAYS) will be the the API used.
    37  ; This API has been developed by Medsphere for IHS for getting
    38  ; Medications from RPMS. It has most of what we need.
    39  ; API written by Doug Martin when he worked for Medsphere (thanks Doug!)
    40  ; -- ARRAYNAME is passed by name (required)
    41  ; -- DFN is passed by value (required)
    42  ; -- DAYS is passed by value (optional; if not passed defaults to 365)
    43  ;
    44  ; Return:
    45  ; ~Type^PharmID^Drug^InfRate^StopDt^RefRem^TotDose^UnitDose^OrderID
    46  ; ^Status^LastFill^Chronic^Issued^Rx #^Provider^
    47  ; Status Reason^DEA Handling
    48  ;
    49  N MEDS,MEDS1,MAP
    50  D GETRXS^BEHORXFN("MEDS1",DFN,$P($P(FLAGS,U,2),"-",2)) ; 2nd piece of FLAGS is # of days to retrieve, which comes in the form "T-360"
    51  N ALL S ALL=+FLAGS
    52  N ACTIVE S ACTIVE=$P(FLAGS,U,3)
    53  N PENDING S PENDING=$P(FLAGS,U,4)
    54  S @OUTXML@(0)=0  ;By default, no meds
    55  ; If MEDS1 is not defined, then no meds
    56  I '$D(MEDS1) QUIT
    57  I DEBUG ZWR MEDS1,MINXML
    58  N MEDCNT S MEDCNT=0 ; Med Count
    59  ; The next line is a super line. It goes through the array return
    60  ; and if the first characters are ~OP, it grabs the line.
    61  ; This means that line is for a dispensed Outpatient Med.
    62  ; That line has the metadata about the med that I need.
    63  ; The next lines, however many, are the med and the sig.
    64  ; I won't be using those because I have to get the sig parsed exactly.
    65  N J S J="" F  S J=$O(MEDS1(J)) Q:J=""  I $E(MEDS1(J),1,3)="~OP" S MEDCNT=MEDCNT+1 S MEDS(MEDCNT)=MEDS1(J)
    66  K MEDS1
    67  S MEDCNT="" ; Initialize for $Order
    68  F  S MEDCNT=$O(MEDS(MEDCNT)) Q:MEDCNT=""  D  ; for each medication in the list
    69  . I 'ALL,ACTIVE,$P(MEDS(MEDCNT),U,10)'="ACTIVE" QUIT
    70  . I 'ALL,PENDING,$P(MEDS(MEDCNT),U,10)'="PENDING" QUIT
    71  . I DEBUG W "MEDCNT IS ",MEDCNT,!
    72  . S MAP=$NA(^TMP("C0CCCR",$J,"MEDMAP",MEDCNT))
    73  . ; K @MAP DO NOT KILL HERE, WAS CLEARED IN C0CMED
    74  . I DEBUG W "MAP= ",MAP,!
    75  . S @MAP@("MEDOBJECTID")="MED"_MEDCNT ; MEDCNT FOR ID
    76  . S @MAP@("MEDISSUEDATETXT")="Issue Date"
    77  . S @MAP@("MEDISSUEDATE")=$$FMDTOUTC^C0CUTIL($P(MEDS(MEDCNT),U,15),"DT")
    78  . S @MAP@("MEDLASTFILLDATETXT")="Last Fill Date"
    79  . S @MAP@("MEDLASTFILLDATE")=$$FMDTOUTC^C0CUTIL($P(MEDS(MEDCNT),U,11),"DT")
    80  . S @MAP@("MEDRXNOTXT")="Prescription Number"
    81  . S @MAP@("MEDRXNO")=$P(MEDS(MEDCNT),U,14)
    82  . S @MAP@("MEDTYPETEXT")="Medication"
    83  . S @MAP@("MEDDETAILUNADORNED")=""  ; Leave blank, field has its uses
    84  . S @MAP@("MEDSTATUSTEXT")=$P(MEDS(MEDCNT),U,10)
    85  . ; Provider only provided in API as text, not DUZ.
    86  . ; We need to get DUZ from filman file 52 (Prescription)
    87  . ; Field 4; IEN is Piece 2 of Meds stripped of trailing characters.
    88  . ; Note that I will use RXIEN several times later
    89  . N RXIEN S RXIEN=+$P(MEDS(MEDCNT),U,2)
    90  . S @MAP@("MEDSOURCEACTORID")="ACTORPROVIDER_"_$$GET1^DIQ(52,RXIEN,4,"I")
    91  . S @MAP@("MEDPRODUCTNAMETEXT")=$P(MEDS(MEDCNT),U,3)
    92  . ; --- RxNorm Stuff
    93  . ; 176.001 is the file for Concepts; 176.003 is the file for
    94  . ; sources (i.e. for RxNorm Version)
    95  . ;
    96  . ; I use 176.001 for the Vista version of this routine (files 1-3)
    97  . ; Since IHS does not have VUID's, I will be getting RxNorm codes
    98  . ; using NDCs. My specially crafted index (sounds evil) named "NDC"
    99  . ; is in file 176.002. The file is called RxNorm NDC to VUID.
    100  . ; Except that I don't need the VUID, but it's there if I need it.
    101  . ;
    102  . ; We obviously need the NDC. That is easily obtained from the prescription.
    103  . ; Field 27 in file 52
    104  . N NDC S NDC=$$GET1^DIQ(52,RXIEN,27,"I")
    105  . ; I discovered that file 176.002 might give you two codes for the NDC
    106  . ; One for the Clinical Drug, and one for the ingredient.
    107  . ; So the plan is to get the two RxNorm codes, and then find from
    108  . ; file 176.001 which one is the Clinical Drug.
    109  . ; ... I refactored this into GETRXN
    110  . N RXNORM,SRCIEN,RXNNAME,RXNVER
    111  . I +NDC,$D(^C0CRXN) D  ; $Data is for Systems that don't have our RxNorm file yet.
    112  . . S RXNORM=$$GETRXN(NDC)
    113  . . S SRCIEN=$$FIND1^DIC(176.003,,,"RXNORM","B")
    114  . . S RXNNAME=$$GET1^DIQ(176.003,SRCIEN,6)
    115  . . S RXNVER=$$GET1^DIQ(176.003,SRCIEN,7)
    116  . ;
    117  . E  S (RXNORM,RXNNAME,RXNVER)=""
    118  . ; End if/else block
    119  . S @MAP@("MEDPRODUCTNAMECODEVALUE")=RXNORM
    120  . S @MAP@("MEDPRODUCTNAMECODINGINGSYSTEM")=RXNNAME
    121  . S @MAP@("MEDPRODUCTNAMECODEVERSION")=RXNVER
    122  . ; --- End RxNorm section
    123  . ;
    124  . ; Brand name is 52 field 6.5
    125  . S @MAP@("MEDBRANDNAMETEXT")=$$GET1^DIQ(52,RXIEN,6.5)
    126  . ;
    127  . ; Next I need Med Form (tab, cap etc), strength (250mg)
    128  . ; concentration for liquids (250mg/mL)
    129  . ; Since IHS does not have any of the new calls that
    130  . ; Vista has, I will be doing a crosswalk:
    131  . ; File 52, field 6 is Drug IEN in file 50
    132  . ; File 50, field 22 is VA Product IEN in file 50.68
    133  . ; In file 50.68, I will get the following:
    134  . ; -- 1: Dosage Form
    135  . ; -- 2: Strength
    136  . ; -- 3: Units
    137  . ; -- 8: Dispense Units
    138  . ; -- Conc is 2 concatenated with 3
    139  . ;
    140  . ; *** If Drug is not matched to NDF, then VA Product will be "" ***
    141  . ;
    142  . N MEDIEN S MEDIEN=$$GET1^DIQ(52,RXIEN,6,"I") ; Drug IEN in 50
    143  . N VAPROD S VAPROD=$$GET1^DIQ(50,MEDIEN,22,"I") ; VA Product in file 50.68
    144  . I +VAPROD D
    145  . . S @MAP@("MEDSTRENGTHVALUE")=$$GET1^DIQ(50.68,VAPROD,2)
    146  . . S @MAP@("MEDSTRENGTHUNIT")=$$GET1^DIQ(50.68,VAPROD,3)
    147  . . S @MAP@("MEDFORMTEXT")=$$GET1^DIQ(50.68,VAPROD,1)
    148  . . S @MAP@("MEDCONCVALUE")=@MAP@("MEDSTRENGTHVALUE")
    149  . . S @MAP@("MEDCONCUNIT")=@MAP@("MEDSTRENGTHUNIT")
    150  . E  D
    151  . . S @MAP@("MEDSTRENGTHVALUE")=""
    152  . . S @MAP@("MEDSTRENGTHUNIT")=""
    153  . . S @MAP@("MEDFORMTEXT")=""
    154  . . S @MAP@("MEDCONCVALUE")=""
    155  . . S @MAP@("MEDCONCUNIT")=""
    156  . ; End Strengh/Conc stuff
    157  . ;
    158  . ; Quantity is in the prescription, field 7
    159  . S @MAP@("MEDQUANTITYVALUE")=$$GET1^DIQ(52,RXIEN,7)
    160  . ; Dispense unit is in the drug file, field 14.5
    161  . S @MAP@("MEDQUANTITYUNIT")=$$GET1^DIQ(50,MEDIEN,14.5)
    162  . ;
    163  . ; --- START OF DIRECTIONS ---
    164  . ; Sig data not in any API :-(  Oh yes, you can get the whole thing, but...
    165  . ; we want the components.
    166  . ; It's in multiple 113 in the Prescription File (52)
    167  . ; #.01 DOSAGE ORDERED [1F]                   "20"
    168  . ; #1 DISPENSE UNITS PER DOSE [2N]    "1"
    169  . ; #2 UNITS [3P:50.607]                               "MG"
    170  . ; #3 NOUN [4F]                                               "TABLET"
    171  . ; #4 DURATION [5F]                                   "10D"
    172  . ; #5 CONJUNCTION [6S]                                "AND"
    173  . ; #6 ROUTE [7P:51.2]                                 "ORAL"
    174  . ; #7 SCHEDULE [8F]                                   "BID"
    175  . ; #8 VERB [9F]                                               "TAKE"
    176  . ;
    177  . ; Will use GETS^DIQ to get fields.
    178  . ; Data comes out like this:
    179  . ; SAMINS(52.0113,"1,23,",.01)=20
    180  . ; SAMINS(52.0113,"1,23,",1)=1
    181  . ; SAMINS(52.0113,"1,23,",2)="MG"
    182  . ; SAMINS(52.0113,"1,23,",3)="TABLET"
    183  . ; SAMINS(52.0113,"1,23,",4)="5D"
    184  . ; SAMINS(52.0113,"1,23,",5)="THEN"
    185  . ;
    186  . N RAWDATA
    187  . D GETS^DIQ(52,RXIEN,"113*",,"RAWDATA","DIERR")
    188  . D:$D(DIERR) ^%ZTER  ; Log if there's an error in retrieving sig field
    189  . ; none the less, continue; some parts are retrievable.
    190  . N FMSIG M FMSIG=RAWDATA(52.0113) ; Merge into subfile...
    191  . K RAWDATA
    192  . N FMSIGNUM S FMSIGNUM="" ; Sigline number in fileman.
    193  . ; FMSIGNUM gets outputted as "IEN,RXIEN,".
    194  . ; DIRCNT is the proper Sigline numer.
    195  . ; SIGDATA is the simplfied array.
    196  . F  S FMSIGNUM=$O(FMSIG(FMSIGNUM)) Q:FMSIGNUM=""  D
    197  . . N DIRCNT S DIRCNT=$P(FMSIGNUM,",")
    198  . . N SIGDATA M SIGDATA=FMSIG(FMSIGNUM)
    199  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDIRECTIONDESCRIPTIONTEXT")=""  ; This is reserved for systems not able to generate the sig in components.
    200  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDOSEINDICATOR")="1"  ; means that we are specifying it. See E2369-05.
    201  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDELIVERYMETHOD")=$G(SIGDATA(8))
    202  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDOSEVALUE")=$G(SIGDATA(.01))
    203  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDOSEUNIT")=$G(SIGDATA(2))
    204  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDRATEVALUE")=""  ; For inpatient
    205  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDRATEUNIT")=""  ; For inpatient
    206  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDVEHICLETEXT")=""  ; For inpatient
    207  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDIRECTIONROUTETEXT")=$G(SIGDATA(6))
    208  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDFREQUENCYVALUE")=$G(SIGDATA(7))
    209  . . ; Invervals... again another call.
    210  . . ; In the wisdom of the original programmers, the schedule is a free text field
    211  . . ; However, it gets translated by a call to the administration schedule file
    212  . . ; to see if that schedule exists.
    213  . . ; That's the same thing I am going to do.
    214  . . ; Search B index of 51.1 (Admin Schedule) with schedule
    215  . . ; First, remove "PRN" if it exists (don't ask, that's how the file
    216  . . ; works; I wouldn't do it that way).
    217  . . N SCHNOPRN S SCHNOPRN=$G(SIGDATA(7))
    218  . . I SCHNOPRN["PRN" S SCHNOPRN=$E(SCHNOPRN,1,$F(SCHNOPRN,"PRN")-5)
    219  . . ; Super call below:
    220  . . ; 1=File 51.1 3=Field 2 (Frequency in Minutes)
    221  . . ; 4=Packed format, Exact Match 5=Lookup Value
    222  . . ; 6=# of entries to return 7=Index 10=Return Array
    223  . . ;
    224  . . ; I do not account for the fact that two schedules can be
    225  . . ; spelled identically (ie duplicate entry). In that case,
    226  . . ; I get the first. That's just a bad pharmacy pkg maintainer.
    227  . . N C0C515
    228  . . D FIND^DIC(51.1,,"@;2","PX",SCHNOPRN,1,"B",,,"C0C515")
    229  . . N INTERVAL S INTERVAL="" ; Default
    230  . . ; If there are entries found, get it
    231  . . I +$G(C0C515("DILIST",0)) S INTERVAL=$P(C0C515("DILIST",1,0),U,2)
    232  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDINTERVALVALUE")=INTERVAL
    233  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDINTERVALUNIT")="Minute"
    234  . . ; Duration is 10M minutes, 10H hours, 10D for Days
    235  . . ; 10W for weeks, 10L for months. I smell $Select
    236  . . ; But we don't need to do that if there isn't a duration
    237  . . I +$G(SIGDATA(4)) D
    238  . . . N DURUNIT S DURUNIT=$E(SIGDATA(4),$L(SIGDATA(4))) ; get last char
    239  . . . N DURTXT S DURTXT=$S(DURUNIT="M":"Minutes",DURUNIT="H":"Hours",DURUNIT="D":"Days",DURUNIT="W":"Weeks",DURUNIT="L":"Months",1:"Days")
    240  . . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDURATIONVALUE")=+SIGDATA(4)
    241  . . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDURATIONUNIT")=DURTXT
    242  . . E  D
    243  . . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDURATIONVALUE")=""
    244  . . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDURATIONUNIT")=""
    245  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPRNFLAG")=$G(SIGDATA(4))["PRN"
    246  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMOBJECTID")="" ; when avail
    247  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMTYPETXT")=""
    248  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMDESCRIPTION")=""
    249  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMCODEVALUE")=""
    250  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMCODINGSYSTEM")=""
    251  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMCODINGVERSION")=""
    252  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMSOURCEACTORID")=""
    253  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDSTOPINDICATOR")="" ; not stored
    254  . . ; Another confusing line; I am pretty bad:
    255  . . ; If there is another entry in the FMSIG array (i.e. another line
    256  . . ; in the sig), set the direction count indicator.
    257  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDIRSEQ")=""  ; Default
    258  . . S:+$O(FMSIG(FMSIGNUM)) @MAP@("M","DIRECTIONS",DIRCNT,"MEDDIRSEQ")=DIRCNT
    259  . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDMULDIRMOD")=$G(SIGDATA(5))
    260  . ;
    261  . ; --- END OF DIRECTIONS ---
    262  . ;
    263  . ; Med instructions is a WP field, thus the acrobatics
    264  . ; Notice buffer overflow protection set at 10,000 chars
    265  . ; -- 1. Med Patient Instructions
    266  . N MEDPTIN1 S MEDPTIN1=$$GET1^DIQ(52,RXIEN,115,,"MEDPTIN1")
    267  . N MEDPTIN2,J  S (MEDPTIN2,J)=""
    268  . I $L(MEDPTIN1) F  S J=$O(@MEDPTIN1@(J)) Q:J=""  Q:$L(MEDPTIN2)>10000  S MEDPTIN2=MEDPTIN2_@MEDPTIN1@(J)_" "
    269  . S @MAP@("MEDPTINSTRUCTIONS")=MEDPTIN2
    270  . K J
    271  . ; -- 2. Med Provider Instructions
    272  . N MEDPVIN1 S MEDPVIN1=$$GET1^DIQ(52,RXIEN,39,,"MEDPVIN1")
    273  . N MEDPVIN2,J S (MEDPVIN2,J)=""
    274  . I $L(MEDPVIN1) F  S J=$O(@MEDPVIN1@(J)) Q:J=""  Q:$L(MEDPVIN2)>10000  S MEDPVIN2=MEDPVIN2_@MEDPVIN1@(J)_" "
    275  . S @MAP@("MEDFULLFILLMENTINSTRUCTIONS")=MEDPVIN2
    276  . ;
    277  . ; Remaining refills
    278  . S @MAP@("MEDRFNO")=$P(MEDS(MEDCNT),U,6)
    279  . ; ------ END OF MAPPING
    280  . ;
    281  . ; ------ BEGIN XML INSERTION
    282  . N RESULT S RESULT=$NA(^TMP("C0CCCR",$J,"MAPPED"))
    283  . K @RESULT
    284  . D MAP^C0CXPATH(MINXML,MAP,RESULT)
    285  . ; D PARY^C0CXPATH(RESULT)
    286  . ; MAPPING DIRECTIONS
    287  . N MEDDIR1,DIRXML1 S DIRXML1="MEDDIR1" ; VARIABLE AND NAME VARIABLE TEMPLATE
    288  . N MEDDIR2,DIRXML2 S DIRXML2="MEDDIR2" ; VARIABLE AND NAME VARIABLE RESULT
    289  . D QUERY^C0CXPATH(MINXML,"//Medications/Medication/Directions",DIRXML1)
    290  . D REPLACE^C0CXPATH(RESULT,"","//Medications/Medication/Directions")
    291  . ; N MDZ1,MDZNA
    292  . N DIRCNT S DIRCNT=""
    293  . I +$O(@MAP@("M","DIRECTIONS",DIRCNT)) D  ; IF THERE ARE DIRCTIONS
    294  . . F DIRCNT=$O(@MAP@("M","DIRECTIONS",DIRCNT)) D  ; FOR EACH DIRECTION
    295  . . . S MDZNA=$NA(@MAP@("M","DIRECTIONS",DIRCNT))
    296  . . . D MAP^C0CXPATH(DIRXML1,MDZNA,DIRXML2)
    297  . . . D INSERT^C0CXPATH(RESULT,DIRXML2,"//Medications/Medication")
    298  . D:MEDCNT=1 CP^C0CXPATH(RESULT,OUTXML) ; First one is a copy
    299  . D:MEDCNT>1 INSINNER^C0CXPATH(OUTXML,RESULT) ; AFTER THE FIRST, INSERT INNER XML
    300  . S MEDCOUNT=MEDCNT
    301  N MEDTMP,MEDI
    302  D MISSING^C0CXPATH(OUTXML,"MEDTMP") ; SEARCH XML FOR MISSING VARS
    303  I MEDTMP(0)>0 D  ; IF THERE ARE MISSING VARS - MARKED AS @@X@@
    304  . W "MEDICATION MISSING ",!
    305  . F MEDI=1:1:MEDTMP(0) W MEDTMP(MEDI),!
    306  Q
    307  ;
     1C0CMED6 ; WV/CCDCCR/SMH - Meds from RPMS: Outpatient Meds;01/10/09
     2        ;;1.0;C0C;;May 19, 2009;Build 1
     3        ; Copyright 2008 WorldVistA.  Licensed under the terms of the GNU
     4        ; General Public License See attached copy of the License.
     5        ;
     6        ; This program is free software; you can redistribute it and/or modify
     7        ; it under the terms of the GNU General Public License as published by
     8        ; the Free Software Foundation; either version 2 of the License, or
     9        ; (at your option) any later version.
     10        ;
     11        ; This program is distributed in the hope that it will be useful,
     12        ; but WITHOUT ANY WARRANTY; without even the implied warranty of
     13        ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14        ; GNU General Public License for more details.
     15        ;
     16        ; You should have received a copy of the GNU General Public License along
     17        ; with this program; if not, write to the Free Software Foundation, Inc.,
     18        ; 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
     19        ;
     20        W "NO ENTRY FROM TOP",!
     21        Q
     22        ;
     23EXTRACT(MINXML,DFN,OUTXML,MEDCOUNT,FLAGS)        ; EXTRACT MEDICATIONS INTO PROVIDED XML TEMPLATE
     24        ;
     25        ; MINXML and OUTXML are passed by name so globals can be used
     26        ; MINXML will contain only the medications skeleton of the overall template
     27        ; MEDCOUNT is a counter passed by Reference.
     28        ; FLAGS are: MEDALL(bool)^MEDLIMIT(int)^MEDACTIVE(bool)^MEDPENDING(bool)
     29        ; FLAGS are set-up in C0CMED.
     30        ;
     31        ; MEDS is return array from RPC.
     32        ; MAP is a mapping variable map (store result) for each med
     33        ; MED is holds each array element from MEDS(J), one medicine
     34        ; J is a counter.
     35        ;
     36        ; GETRXS^BEHORXFN(ARRAYNAME,DFN,DAYS) will be the the API used.
     37        ; This API has been developed by Medsphere for IHS for getting
     38        ; Medications from RPMS. It has most of what we need.
     39        ; API written by Doug Martin when he worked for Medsphere (thanks Doug!)
     40        ; -- ARRAYNAME is passed by name (required)
     41        ; -- DFN is passed by value (required)
     42        ; -- DAYS is passed by value (optional; if not passed defaults to 365)
     43        ;
     44        ; Return:
     45        ; ~Type^PharmID^Drug^InfRate^StopDt^RefRem^TotDose^UnitDose^OrderID
     46        ; ^Status^LastFill^Chronic^Issued^Rx #^Provider^
     47        ; Status Reason^DEA Handling
     48        ;
     49        N MEDS,MEDS1,MAP
     50        D GETRXS^BEHORXFN("MEDS1",DFN,$P($P(FLAGS,U,2),"-",2)) ; 2nd piece of FLAGS is # of days to retrieve, which comes in the form "T-360"
     51        N ALL S ALL=+FLAGS
     52        N ACTIVE S ACTIVE=$P(FLAGS,U,3)
     53        N PENDING S PENDING=$P(FLAGS,U,4)
     54        S @OUTXML@(0)=0  ;By default, no meds
     55        ; If MEDS1 is not defined, then no meds
     56        I '$D(MEDS1) QUIT
     57        I DEBUG ZWR MEDS1,MINXML
     58        N MEDCNT S MEDCNT=0 ; Med Count
     59        ; The next line is a super line. It goes through the array return
     60        ; and if the first characters are ~OP, it grabs the line.
     61        ; This means that line is for a dispensed Outpatient Med.
     62        ; That line has the metadata about the med that I need.
     63        ; The next lines, however many, are the med and the sig.
     64        ; I won't be using those because I have to get the sig parsed exactly.
     65        N J S J="" F  S J=$O(MEDS1(J)) Q:J=""  I $E(MEDS1(J),1,3)="~OP" S MEDCNT=MEDCNT+1 S MEDS(MEDCNT)=MEDS1(J)
     66        K MEDS1
     67        S MEDCNT="" ; Initialize for $Order
     68        F  S MEDCNT=$O(MEDS(MEDCNT)) Q:MEDCNT=""  D  ; for each medication in the list
     69        . I 'ALL,ACTIVE,$P(MEDS(MEDCNT),U,10)'="ACTIVE" QUIT
     70        . I 'ALL,PENDING,$P(MEDS(MEDCNT),U,10)'="PENDING" QUIT
     71        . I DEBUG W "MEDCNT IS ",MEDCNT,!
     72        . S MAP=$NA(^TMP("C0CCCR",$J,"MEDMAP",MEDCNT))
     73        . ; K @MAP DO NOT KILL HERE, WAS CLEARED IN C0CMED
     74        . I DEBUG W "MAP= ",MAP,!
     75        . S @MAP@("MEDOBJECTID")="MED"_MEDCNT ; MEDCNT FOR ID
     76        . S @MAP@("MEDISSUEDATETXT")="Issue Date"
     77        . S @MAP@("MEDISSUEDATE")=$$FMDTOUTC^C0CUTIL($P(MEDS(MEDCNT),U,15),"DT")
     78        . S @MAP@("MEDLASTFILLDATETXT")="Last Fill Date"
     79        . S @MAP@("MEDLASTFILLDATE")=$$FMDTOUTC^C0CUTIL($P(MEDS(MEDCNT),U,11),"DT")
     80        . S @MAP@("MEDRXNOTXT")="Prescription Number"
     81        . S @MAP@("MEDRXNO")=$P(MEDS(MEDCNT),U,14)
     82        . S @MAP@("MEDTYPETEXT")="Medication"
     83        . S @MAP@("MEDDETAILUNADORNED")=""  ; Leave blank, field has its uses
     84        . S @MAP@("MEDSTATUSTEXT")=$P(MEDS(MEDCNT),U,10)
     85        . ; Provider only provided in API as text, not DUZ.
     86        . ; We need to get DUZ from filman file 52 (Prescription)
     87        . ; Field 4; IEN is Piece 2 of Meds stripped of trailing characters.
     88        . ; Note that I will use RXIEN several times later
     89        . N RXIEN S RXIEN=+$P(MEDS(MEDCNT),U,2)
     90        . S @MAP@("MEDSOURCEACTORID")="ACTORPROVIDER_"_$$GET1^DIQ(52,RXIEN,4,"I")
     91        . S @MAP@("MEDPRODUCTNAMETEXT")=$P(MEDS(MEDCNT),U,3)
     92        . ; --- RxNorm Stuff
     93        . ; 176.001 is the file for Concepts; 176.003 is the file for
     94        . ; sources (i.e. for RxNorm Version)
     95        . ;
     96        . ; I use 176.001 for the Vista version of this routine (files 1-3)
     97        . ; Since IHS does not have VUID's, I will be getting RxNorm codes
     98        . ; using NDCs. My specially crafted index (sounds evil) named "NDC"
     99        . ; is in file 176.002. The file is called RxNorm NDC to VUID.
     100        . ; Except that I don't need the VUID, but it's there if I need it.
     101        . ;
     102        . ; We obviously need the NDC. That is easily obtained from the prescription.
     103        . ; Field 27 in file 52
     104        . N NDC S NDC=$$GET1^DIQ(52,RXIEN,27,"I")
     105        . ; I discovered that file 176.002 might give you two codes for the NDC
     106        . ; One for the Clinical Drug, and one for the ingredient.
     107        . ; So the plan is to get the two RxNorm codes, and then find from
     108        . ; file 176.001 which one is the Clinical Drug.
     109        . ; ... I refactored this into GETRXN
     110        . N RXNORM,SRCIEN,RXNNAME,RXNVER
     111        . I +NDC,$D(^C0CRXN) D  ; $Data is for Systems that don't have our RxNorm file yet.
     112        . . S RXNORM=$$GETRXN(NDC)
     113        . . S SRCIEN=$$FIND1^DIC(176.003,,,"RXNORM","B")
     114        . . S RXNNAME=$$GET1^DIQ(176.003,SRCIEN,6)
     115        . . S RXNVER=$$GET1^DIQ(176.003,SRCIEN,7)
     116        . ;
     117        . E  S (RXNORM,RXNNAME,RXNVER)=""
     118        . ; End if/else block
     119        . S @MAP@("MEDPRODUCTNAMECODEVALUE")=RXNORM
     120        . S @MAP@("MEDPRODUCTNAMECODINGINGSYSTEM")=RXNNAME
     121        . S @MAP@("MEDPRODUCTNAMECODEVERSION")=RXNVER
     122        . ; --- End RxNorm section
     123        . ;
     124        . ; Brand name is 52 field 6.5
     125        . S @MAP@("MEDBRANDNAMETEXT")=$$GET1^DIQ(52,RXIEN,6.5)
     126        . ;
     127        . ; Next I need Med Form (tab, cap etc), strength (250mg)
     128        . ; concentration for liquids (250mg/mL)
     129        . ; Since IHS does not have any of the new calls that
     130        . ; Vista has, I will be doing a crosswalk:
     131        . ; File 52, field 6 is Drug IEN in file 50
     132        . ; File 50, field 22 is VA Product IEN in file 50.68
     133        . ; In file 50.68, I will get the following:
     134        . ; -- 1: Dosage Form
     135        . ; -- 2: Strength
     136        . ; -- 3: Units
     137        . ; -- 8: Dispense Units
     138        . ; -- Conc is 2 concatenated with 3
     139        . ;
     140        . ; *** If Drug is not matched to NDF, then VA Product will be "" ***
     141        . ;
     142        . N MEDIEN S MEDIEN=$$GET1^DIQ(52,RXIEN,6,"I") ; Drug IEN in 50
     143        . N VAPROD S VAPROD=$$GET1^DIQ(50,MEDIEN,22,"I") ; VA Product in file 50.68
     144        . I +VAPROD D
     145        . . S @MAP@("MEDSTRENGTHVALUE")=$$GET1^DIQ(50.68,VAPROD,2)
     146        . . S @MAP@("MEDSTRENGTHUNIT")=$$GET1^DIQ(50.68,VAPROD,3)
     147        . . S @MAP@("MEDFORMTEXT")=$$GET1^DIQ(50.68,VAPROD,1)
     148        . . S @MAP@("MEDCONCVALUE")=@MAP@("MEDSTRENGTHVALUE")
     149        . . S @MAP@("MEDCONCUNIT")=@MAP@("MEDSTRENGTHUNIT")
     150        . E  D
     151        . . S @MAP@("MEDSTRENGTHVALUE")=""
     152        . . S @MAP@("MEDSTRENGTHUNIT")=""
     153        . . S @MAP@("MEDFORMTEXT")=""
     154        . . S @MAP@("MEDCONCVALUE")=""
     155        . . S @MAP@("MEDCONCUNIT")=""
     156        . ; End Strengh/Conc stuff
     157        . ;
     158        . ; Quantity is in the prescription, field 7
     159        . S @MAP@("MEDQUANTITYVALUE")=$$GET1^DIQ(52,RXIEN,7)
     160        . ; Dispense unit is in the drug file, field 14.5
     161        . S @MAP@("MEDQUANTITYUNIT")=$$GET1^DIQ(50,MEDIEN,14.5)
     162        . ;
     163        . ; --- START OF DIRECTIONS ---
     164        . ; Sig data not in any API :-(  Oh yes, you can get the whole thing, but...
     165        . ; we want the components.
     166        . ; It's in multiple 113 in the Prescription File (52)
     167        . ; #.01 DOSAGE ORDERED [1F]                    "20"
     168        . ; #1 DISPENSE UNITS PER DOSE [2N]     "1"
     169        . ; #2 UNITS [3P:50.607]                                "MG"
     170        . ; #3 NOUN [4F]                                                "TABLET"
     171        . ; #4 DURATION [5F]                                    "10D"
     172        . ; #5 CONJUNCTION [6S]                                 "AND"
     173        . ; #6 ROUTE [7P:51.2]                          "ORAL"
     174        . ; #7 SCHEDULE [8F]                                    "BID"
     175        . ; #8 VERB [9F]                                                "TAKE"
     176        . ;
     177        . ; Will use GETS^DIQ to get fields.
     178        . ; Data comes out like this:
     179        . ; SAMINS(52.0113,"1,23,",.01)=20
     180        . ; SAMINS(52.0113,"1,23,",1)=1
     181        . ; SAMINS(52.0113,"1,23,",2)="MG"
     182        . ; SAMINS(52.0113,"1,23,",3)="TABLET"
     183        . ; SAMINS(52.0113,"1,23,",4)="5D"
     184        . ; SAMINS(52.0113,"1,23,",5)="THEN"
     185        . ;
     186        . N RAWDATA
     187        . D GETS^DIQ(52,RXIEN,"113*",,"RAWDATA","DIERR")
     188        . D:$D(DIERR) ^%ZTER  ; Log if there's an error in retrieving sig field
     189        . ; none the less, continue; some parts are retrievable.
     190        . N FMSIG M FMSIG=RAWDATA(52.0113) ; Merge into subfile...
     191        . K RAWDATA
     192        . N FMSIGNUM S FMSIGNUM="" ; Sigline number in fileman.
     193        . ; FMSIGNUM gets outputted as "IEN,RXIEN,".
     194        . ; DIRCNT is the proper Sigline numer.
     195        . ; SIGDATA is the simplfied array.
     196        . F  S FMSIGNUM=$O(FMSIG(FMSIGNUM)) Q:FMSIGNUM=""  D
     197        . . N DIRCNT S DIRCNT=$P(FMSIGNUM,",")
     198        . . N SIGDATA M SIGDATA=FMSIG(FMSIGNUM)
     199        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDIRECTIONDESCRIPTIONTEXT")=""  ; This is reserved for systems not able to generate the sig in components.
     200        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDOSEINDICATOR")="1"  ; means that we are specifying it. See E2369-05.
     201        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDELIVERYMETHOD")=$G(SIGDATA(8))
     202        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDOSEVALUE")=$G(SIGDATA(.01))
     203        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDOSEUNIT")=$G(SIGDATA(2))
     204        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDRATEVALUE")=""  ; For inpatient
     205        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDRATEUNIT")=""  ; For inpatient
     206        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDVEHICLETEXT")=""  ; For inpatient
     207        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDIRECTIONROUTETEXT")=$G(SIGDATA(6))
     208        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDFREQUENCYVALUE")=$G(SIGDATA(7))
     209        . . ; Invervals... again another call.
     210        . . ; In the wisdom of the original programmers, the schedule is a free text field
     211        . . ; However, it gets translated by a call to the administration schedule file
     212        . . ; to see if that schedule exists.
     213        . . ; That's the same thing I am going to do.
     214        . . ; Search B index of 51.1 (Admin Schedule) with schedule
     215        . . ; First, remove "PRN" if it exists (don't ask, that's how the file
     216        . . ; works; I wouldn't do it that way).
     217        . . N SCHNOPRN S SCHNOPRN=$G(SIGDATA(7))
     218        . . I SCHNOPRN["PRN" S SCHNOPRN=$E(SCHNOPRN,1,$F(SCHNOPRN,"PRN")-5)
     219        . . ; Super call below:
     220        . . ; 1=File 51.1 3=Field 2 (Frequency in Minutes)
     221        . . ; 4=Packed format, Exact Match 5=Lookup Value
     222        . . ; 6=# of entries to return 7=Index 10=Return Array
     223        . . ;
     224        . . ; I do not account for the fact that two schedules can be
     225        . . ; spelled identically (ie duplicate entry). In that case,
     226        . . ; I get the first. That's just a bad pharmacy pkg maintainer.
     227        . . N C0C515
     228        . . D FIND^DIC(51.1,,"@;2","PX",SCHNOPRN,1,"B",,,"C0C515")
     229        . . N INTERVAL S INTERVAL="" ; Default
     230        . . ; If there are entries found, get it
     231        . . I +$G(C0C515("DILIST",0)) S INTERVAL=$P(C0C515("DILIST",1,0),U,2)
     232        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDINTERVALVALUE")=INTERVAL
     233        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDINTERVALUNIT")="Minute"
     234        . . ; Duration is 10M minutes, 10H hours, 10D for Days
     235        . . ; 10W for weeks, 10L for months. I smell $Select
     236        . . ; But we don't need to do that if there isn't a duration
     237        . . I +$G(SIGDATA(4)) D
     238        . . . N DURUNIT S DURUNIT=$E(SIGDATA(4),$L(SIGDATA(4))) ; get last char
     239        . . . N DURTXT S DURTXT=$S(DURUNIT="M":"Minutes",DURUNIT="H":"Hours",DURUNIT="D":"Days",DURUNIT="W":"Weeks",DURUNIT="L":"Months",1:"Days")
     240        . . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDURATIONVALUE")=+SIGDATA(4)
     241        . . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDURATIONUNIT")=DURTXT
     242        . . E  D
     243        . . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDURATIONVALUE")=""
     244        . . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDURATIONUNIT")=""
     245        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPRNFLAG")=$G(SIGDATA(4))["PRN"
     246        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMOBJECTID")="" ; when avail
     247        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMTYPETXT")=""
     248        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMDESCRIPTION")=""
     249        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMCODEVALUE")=""
     250        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMCODINGSYSTEM")=""
     251        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMCODINGVERSION")=""
     252        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDPROBLEMSOURCEACTORID")=""
     253        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDSTOPINDICATOR")="" ; not stored
     254        . . ; Another confusing line; I am pretty bad:
     255        . . ; If there is another entry in the FMSIG array (i.e. another line
     256        . . ; in the sig), set the direction count indicator.
     257        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDDIRSEQ")=""  ; Default
     258        . . S:+$O(FMSIG(FMSIGNUM)) @MAP@("M","DIRECTIONS",DIRCNT,"MEDDIRSEQ")=DIRCNT
     259        . . S @MAP@("M","DIRECTIONS",DIRCNT,"MEDMULDIRMOD")=$G(SIGDATA(5))
     260        . ;
     261        . ; --- END OF DIRECTIONS ---
     262        . ;
     263        . ; Med instructions is a WP field, thus the acrobatics
     264        . ; Notice buffer overflow protection set at 10,000 chars
     265        . ; -- 1. Med Patient Instructions
     266        . N MEDPTIN1 S MEDPTIN1=$$GET1^DIQ(52,RXIEN,115,,"MEDPTIN1")
     267        . N MEDPTIN2,J  S (MEDPTIN2,J)=""
     268        . I $L(MEDPTIN1) F  S J=$O(@MEDPTIN1@(J)) Q:J=""  Q:$L(MEDPTIN2)>10000  S MEDPTIN2=MEDPTIN2_@MEDPTIN1@(J)_" "
     269        . S @MAP@("MEDPTINSTRUCTIONS")=MEDPTIN2
     270        . K J
     271        . ; -- 2. Med Provider Instructions
     272        . N MEDPVIN1 S MEDPVIN1=$$GET1^DIQ(52,RXIEN,39,,"MEDPVIN1")
     273        . N MEDPVIN2,J S (MEDPVIN2,J)=""
     274        . I $L(MEDPVIN1) F  S J=$O(@MEDPVIN1@(J)) Q:J=""  Q:$L(MEDPVIN2)>10000  S MEDPVIN2=MEDPVIN2_@MEDPVIN1@(J)_" "
     275        . S @MAP@("MEDFULLFILLMENTINSTRUCTIONS")=MEDPVIN2
     276        . ;
     277        . ; Remaining refills
     278        . S @MAP@("MEDRFNO")=$P(MEDS(MEDCNT),U,6)
     279        . ; ------ END OF MAPPING
     280        . ;
     281        . ; ------ BEGIN XML INSERTION
     282        . N RESULT S RESULT=$NA(^TMP("C0CCCR",$J,"MAPPED"))
     283        . K @RESULT
     284        . D MAP^C0CXPATH(MINXML,MAP,RESULT)
     285        . ; D PARY^C0CXPATH(RESULT)
     286        . ; MAPPING DIRECTIONS
     287        . N MEDDIR1,DIRXML1 S DIRXML1="MEDDIR1" ; VARIABLE AND NAME VARIABLE TEMPLATE
     288        . N MEDDIR2,DIRXML2 S DIRXML2="MEDDIR2" ; VARIABLE AND NAME VARIABLE RESULT
     289        . D QUERY^C0CXPATH(MINXML,"//Medications/Medication/Directions",DIRXML1)
     290        . D REPLACE^C0CXPATH(RESULT,"","//Medications/Medication/Directions")
     291        . ; N MDZ1,MDZNA
     292        . N DIRCNT S DIRCNT=""
     293        . I +$O(@MAP@("M","DIRECTIONS",DIRCNT)) D  ; IF THERE ARE DIRCTIONS
     294        . . F DIRCNT=$O(@MAP@("M","DIRECTIONS",DIRCNT)) D  ; FOR EACH DIRECTION
     295        . . . S MDZNA=$NA(@MAP@("M","DIRECTIONS",DIRCNT))
     296        . . . D MAP^C0CXPATH(DIRXML1,MDZNA,DIRXML2)
     297        . . . D INSERT^C0CXPATH(RESULT,DIRXML2,"//Medications/Medication")
     298        . D:MEDCNT=1 CP^C0CXPATH(RESULT,OUTXML) ; First one is a copy
     299        . D:MEDCNT>1 INSINNER^C0CXPATH(OUTXML,RESULT) ; AFTER THE FIRST, INSERT INNER XML
     300        . S MEDCOUNT=MEDCNT
     301        N MEDTMP,MEDI
     302        D MISSING^C0CXPATH(OUTXML,"MEDTMP") ; SEARCH XML FOR MISSING VARS
     303        I MEDTMP(0)>0 D  ; IF THERE ARE MISSING VARS - MARKED AS @@X@@
     304        . W "MEDICATION MISSING ",!
     305        . F MEDI=1:1:MEDTMP(0) W MEDTMP(MEDI),!
     306        Q
     307        ;
    308308GETRXN(NDC)     ; Extrinsic Function; PUBLIC; NDC to RxNorm
    309  ;; Get RxNorm Concept Number for a Given NDC
    310  ;
    311  S NDC=$TR(NDC,"-")  ; Remove dashes
    312  N RXNORM,C0CZRXN,DIERR
    313  D FIND^DIC(176.002,,"@;.01","PX",NDC,"*","NDC",,,"C0CZRXN","DIERR")
    314  I $D(DIERR) D ^%ZTER BREAK
    315  S RXNORM(0)=+C0CZRXN("DILIST",0) ; RxNorm(0) will be # of entries
    316  N I S I=0
    317  F  S I=$O(C0CZRXN("DILIST",I)) Q:I=""  S RXNORM(I)=$P(C0CZRXN("DILIST",I,0),U,2)
    318  ; At this point, RxNorm(0) is # of entries; RxNorm(1...) are the entries
    319  ; If RxNorm(0) is 1, then we only have one entry, and that's it.
    320  I RXNORM(0)=1 QUIT RXNORM(1)  ; RETURN RXNORM(1)
    321  ; Otherwise, we need to find out which one is the semantic
    322  ; clinical drug. I built an index on 176.001 (RxNorm Concepts)
    323  ; for that purpose.
    324  I RXNORM(0)>1 D
    325  . S I=0
    326  . F  S I=$O(RXNORM(I)) Q:I=""  D  Q:$G(RXNORM)
    327  . . N RXNIEN S RXNIEN=$$FIND1^DIC(176.001,,,RXNORM(I),"SCD")
    328  . . I +$G(RXNIEN)=0 QUIT  ; try the next entry...
    329  . . E  S RXNORM=RXNORM(I) QUIT  ; We found the right code
    330  QUIT +$G(RXNORM)  ; RETURN RXNORM; if we couldn't find a clnical drug, return with 0
    331  
     309        ;; Get RxNorm Concept Number for a Given NDC
     310        ;
     311        S NDC=$TR(NDC,"-")  ; Remove dashes
     312        N RXNORM,C0CZRXN,DIERR
     313        D FIND^DIC(176.002,,"@;.01","PX",NDC,"*","NDC",,,"C0CZRXN","DIERR")
     314        I $D(DIERR) D ^%ZTER BREAK
     315        S RXNORM(0)=+C0CZRXN("DILIST",0) ; RxNorm(0) will be # of entries
     316        N I S I=0
     317        F  S I=$O(C0CZRXN("DILIST",I)) Q:I=""  S RXNORM(I)=$P(C0CZRXN("DILIST",I,0),U,2)
     318        ; At this point, RxNorm(0) is # of entries; RxNorm(1...) are the entries
     319        ; If RxNorm(0) is 1, then we only have one entry, and that's it.
     320        I RXNORM(0)=1 QUIT RXNORM(1)  ; RETURN RXNORM(1)
     321        ; Otherwise, we need to find out which one is the semantic
     322        ; clinical drug. I built an index on 176.001 (RxNorm Concepts)
     323        ; for that purpose.
     324        I RXNORM(0)>1 D
     325        . S I=0
     326        . F  S I=$O(RXNORM(I)) Q:I=""  D  Q:$G(RXNORM)
     327        . . N RXNIEN S RXNIEN=$$FIND1^DIC(176.001,,,RXNORM(I),"SCD")
     328        . . I +$G(RXNIEN)=0 QUIT  ; try the next entry...
     329        . . E  S RXNORM=RXNORM(I) QUIT  ; We found the right code
     330        QUIT +$G(RXNORM)  ; RETURN RXNORM; if we couldn't find a clnical drug, return with 0
     331       
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