To identify dependencies among and the content of hierarchically related groups of data segments.
To uniquely identify a transaction to an application.
To specify the validity of the request and to indicate follow-up action authorized.
To specify health care services review information
To specify the outcome of a health care services review
To specify identifying numbers.
To specify any or all of a date, a time, or a time period
To supply information related to the delivery of health care
To specify the delivery pattern of health care services
To supply information on conditions
To supply information specific to hospital claims
To supply information related to the ambulance service rendered to a patient
To supply information related to the chiropractic service rendered to a patient
To supply information regarding certification of medical necessity for home oxygen therapy
To supply information related to the certification of a home health care patient
To provide a free form format that would allow the transmission of text information.