Index: /ccr/trunk/p/C0CRXN.m
===================================================================
--- /ccr/trunk/p/C0CRXN.m	(revision 301)
+++ /ccr/trunk/p/C0CRXN.m	(revision 302)
@@ -22,2 +22,48 @@
  Q
  ;
+EXPAND ; MAIN ROUTINE TO CREATE THE C0C RXNORM VUID EXPANSION FILE (176.112)
+ ; READ EACH RECORD FROM 176.111 AND USE THE VUID TO LOOK UP THE RXNORM
+ ; CODE FROM 176.001 (RXNORM CONCEPTS)
+ ; POPULATE ALL FIELDS IN 176.112 AND SET "NEW" TO "Y" IF 176.111 DOES NOT 
+ ; ALREADY HAVE AN RXNORM CODE.
+ ; ADD THE RXNORM TEXT FIELD TO EVERY RECORD (NOT PRESENT IN 176.111)
+ ; AND COMPARE THE RXNORM TEXT FIELD WITH THE VUID TEXT FIELD, SETTING THE 
+ ; "DIFFERENT TEXT" FIELD TO "Y" IF THERE ARE DIFFERENCES
+ ; USES SUPPORT ROUTINES FROM C0CRNF.m
+ N C0CFDA,C0CA,C0CB,C0CZX ;FDA WORK ARRAY, RNF ARRAYS, AND IEN ITERATOR
+ N C0CFVA,C0CFRXN ; CLOSED ROOTS FOR SOURCE FILES
+ N C0CF ; CLOSED ROOT FOR DESTINATION FILE
+ S C0CVA=$$FILEREF^C0CRNF(176.111) ; C0C PHARMACY VA RXNORM MAPPING FILE
+ S C0CFRXN=$$FILEREF^C0CRNF(176.001) ; CLOSED ROOT FOR RXNORM CONCEPT FILE
+ S C0CF=$$FILEREF^C0CRNF(176.112) ; C0C RXNORM VUID MAPPING EXPANSION FILE
+ W C0CVA,C0CFRXN,C0CF,!
+ S C0CZX=""
+ ; F  S C0CZX=
+ Q
+ ;
+SETFDA(C0CSN,C0CSV) ; INTERNAL ROUTINE TO MAKE AN FDA ENTRY FOR FIELD C0CSN
+ ; TO SET TO VALUE C0CSV.
+ ; C0CFDA,C0CA,C0CZX ARE ASSUMED FROM THE CALLING ROUTINE
+ ; C0CSN,C0CSV ARE PASSED BY VALUE
+ ;
+ N C0CSI,C0CSJ
+ S C0CSI=$$ZFILE(C0CSN,"C0CA") ; FILE NUMBER
+ S C0CSJ=$$ZFIELD(C0CSN,"C0CA") ; FIELD NUMBER
+ S C0CFDA(C0CZX,C0CSI,C0CZX_",",C0CSJ)=C0CSV
+ Q
+ZFILE(ZFN,ZTAB) ; EXTRINSIC TO RETURN FILE NUMBER FOR FIELD NAME PASSED
+ ; BY VALUE IN ZFN. FILE NUMBER IS PIECE 1 OF C0CA(ZFN)
+ ; IF ZTAB IS NULL, IT DEFAULTS TO C0CA
+ I '$D(ZTAB) S ZTAB="C0CA"
+ Q $P(@ZTAB@(ZFN),"^",1)
+ZFIELD(ZFN,ZTAB) ;EXTRINSIC TO RETURN FIELD NUMBER FOR FIELD NAME PASSED
+ ; BY VALUE IN ZFN. FILE NUMBER IS PIECE 2 OF C0CA(ZFN)
+ ; IF ZTAB IS NULL, IT DEFAULTS TO C0CA
+ I '$D(ZTAB) S ZTAB="C0CA"
+ Q $P(@ZTAB@(ZFN),"^",2)
+ZVALUE(ZFN,ZTAB) ;EXTRINSIC TO RETURN VALUE FOR FIELD NAME PASSED
+ ; BY VALUE IN ZFN. FILE NUMBER IS PIECE 3 OF C0CA(ZFN)
+ ; IF ZTAB IS NULL, IT DEFAULTS TO C0CA
+ I '$D(ZTAB) S ZTAB="C0CA"
+ Q $P(@ZTAB@(ZFN),"^",3)
+ ;