IB 837 TRANSMISSION (478)    IB FORM FIELD CONTENT (364.7)

Name Value
FORM FIELD REFERENCE IB 837 TRANSMISSION
SECURITY LEVEL NATIONAL,NO EDIT
DATA ELEMENT N-RECORD ID
PAD CHARACTER NO PAD REQUIRED
FORMAT CODE K IBXSV S:'$O(^TMP("IBXMSG",$J,""),-1) IBXDATA="BGN " S:$G(IBXDATA)="" IBXNOREQ=1 S ^TMP("IBTX",$J,IBXIEN)=1
FORMAT CODE DESCRIPTION
If header data has already been extracted, then kill data element so
there is no output.  If no header already extracted, output record
id for 'BGN' record.