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8.9.1 Charge description master file message (MFN/MFK)

The charge description (CDM) master file segment should be used in conjunction with the general master file segments in Section 8.4, "General Master File Segments." Interfacing systems often need not only to communicate data about a patient’s detailed charges, but also to communicate the charge identification entries by which an application knows how to handle a particular charge code. The charge description master is a master file. The CDM segment below is a specially designed master file segment for interfacing charge description masters. In the following message, the MFI-master file identifier should equal "CDM." When the CDM segment is used in an MFN message, the abstract definition is as follows:

MFN     Master File Notification     Chapter
 MSH    Message Header        2
 MFI    Master File Identification     8
  {MFE   Master File Entry        8
    CDM   Charge Description Master      8
   { [PRC ] }  Price Segment        8
  }
MFK     Master File Acknowledgment    Chapter
 MSH    Message Header        2
 MSA    Acknowledgment        2
 MFI    Master File Identification     8
   { [MFA] }  Master File ACK segment      8

Master File Response Message: When the CDM segment is used in the MFR message, the part of the message represented by:

 {MFE
 [Z..] }

is replaced by:

 {MFE
  CDM
  { [PRC] }
  }

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