To indicate the start of a transaction set and to assign a control number
To indicate the beginning of a transaction set
300
BLR
Transportation Carrier Identification
To transmit the identifying SCAC code and effective date for the data in the transaction set
To transmit identifying information as specified by the Reference Identification Qualifier
To specify pertinent dates and times
To specify quantity information
To reference a line number in a transaction set
Code to transmit standard industry codes
900
DRT
Deprescription Rate Detail
To identify the deprescribed rate and type
To transmit identifying equipment mark and type associated with the cycle or transaction
1100
DRT
Deprescription Rate Detail
To identify the deprescribed rate and type
To specify quantity information
To indicate the end of the transaction set and provide the count of the transmitted segments (including the beginning (ST) and ending (SE) segments)