B8 Beginning Segment

To transmit identifying numbers, dates and other basic data relating to the transaction set

Position
Element
Name
Type
Requirement
Min
Max
Repeat
B8-01
Transaction Set Identifier Code
Identifier (ID)
Optional
3
3
-
Code uniquely identifying a Transaction Set.
B8-02
Reference Number Qualifier
Identifier (ID)
Mandatory
2
2
-
Code qualifying the Reference Number.
Due to the installation of the "ST" segment in all transaction sets, data element 143 in all of the "B" segments is redundant. DE143 will be retained as an optional data element for a period of adjustment. It is suggested that DE143 not be transmitted so it may be dropped from segment definitions in the future.
B8-03
Reference Number
String (AN)
Mandatory
1
30
-
Reference number or identification number as defined for a particular Transaction Set, or as specified by the Reference Number Qualifier.
B8-04
Reference Date
Date (DT)
Mandatory
6
6
-
Date of action described in the transaction set.
B8-05
Weight Unit Qualifier
Identifier (ID)
Conditional
1
1
-
Code specifying the weight unit.
B805 (Weight Unit Qualifier) is required if any weight values are in the transaction set.

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