id description section req max_loop max_usage pos BGN Beginning Segment H M 0 1 1 BLR Transportation Carrier Identification H M 0 1 2 N9 Extended Reference Information H O 0 10 3 DTM Date/Time Reference H O 0 6 4 QTY Quantity Information H O 0 1 5 LX Transaction Set Line Number H O 10 1 6 LQ Industry Code Identification H O 0 8 7 DRT Deprescription Rate Detail H O 0 6 8 CIC Car Information Control H M 1500 1 9 DRT Deprescription Rate Detail H O 0 12 10 QTY Quantity Information H O 0 1 11