To indicate the start of a transaction set and to assign a control number
20
BHT
Beginning of Hierarchical Transaction
To define the business hierarchical structure of the transaction set and identify the business application purpose and reference data, i.e., number, date, and time
To specify identifying information
40
NM1
Individual or Organizational Name
To supply the full name of an individual or organizational entity
50
N2
Additional Name Information
To specify additional names or those longer than 35 characters in length
To specify the location of the named party
To specify the geographic place of the named party
To specify identifying information
90
PER
Administrative Communications Contact
To identify a person or office to whom administrative communications should be directed
To identify dependencies among and the content of hierarchically related groups of data segments
To record information specific to the primary insured and the insurance carrier for that insured
To supply patient information
To supply demographic information
50
NM1
Individual or Organizational Name
To supply the full name of an individual or organizational entity
To specify the location of the named party
To specify the geographic place of the named party
80
PER
Administrative Communications Contact
To identify a person or office to whom administrative communications should be directed
To uniquely identify a transaction to an application
To specify identifying information
To indicate the total monetary amount
To specify any or all of a date, a time, or a time period
To supply payment and control information to a provider for a particular service
To specify identifying information
To specify any or all of a date, a time, or a time period
To indicate the end of the transaction set and provide the count of the transmitted segments (including the beginning (ST) and ending (SE) segments)