Segment ISO9735/UCM


To identify a message or package in the subject interchange, and to indicate that message's or package's acknowledgement or rejection (action taken), and to identify any error related to the UNH, UNT, UNO, and UNP segments. It can also identify errors related to the USA, USC, USD, USH, USR, UST, or USU security segments when they appear at the message or package level.

Segment structure

0062       MESSAGE REFERENCE NUMBER                           C   an1..14
S009       MESSAGE IDENTIFIER                                 C
   0065    Message type                                       M   an1..6
   0052    Message version number                             M   an1..3
   0054    Message release number                             M   an1..3
   0051    Controlling agency, coded                          M   an1..3
   0057    Association assigned code                          C   an1..6
   0110    Code list directory version number                 C   an1..6
   0113    Message type sub-function identification           C   an1..6
0083       ACTION, CODED                                      M   an1..3
0085       SYNTAX ERROR, CODED                                C   an1..3
0135       SERVICE SEGMENT TAG, CODED                         C   an1..3
S011       DATA ELEMENT IDENTIFICATION                        C
   0098    Erroneous data element position in segment         M   n1..3
   0104    Erroneous component data element position          C   n1..3
   0136    Erroneous data element occurrence                  C   n1..6
0800       PACKAGE REFERENCE NUMBER                           C   an1..35
S020       REFERENCE IDENTIFICATION                           C
   0813    Reference qualifier                                M   an1..3
   0802    Reference identification number                    M   an1..35
0534       SECURITY REFERENCE NUMBER                          C   an1..14
0138       SECURITY SEGMENT POSITION                          C   n1..6