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4.8.13 RAS/RRA - pharmacy/treatment administration message

The RAS message may be created by the administering application (e.g., nursing application) for each instance of administration for an existing order. If the administering application wants to report several administrations of medication for a given order with a single RAS message, each instance is reported by a separate (repeating) RXA segment. In addition, the administration records for a group of orders may be sent in a single message by creating repeating groups of segments at the ORC level.

In the most common case, the RAS messages would be sent from a nursing application to the pharmacy or treatment application (or to the ordering application or another clinical application), which could use the data to generate the medication administration reports. Multiple RXA segments, each corresponding to a separate administration instance for a given order, may be sent with a single ORC.

RAS     Pharmacy/Treatment Administration   Chapter
MSH     Message Header        2
[{NTE}]    Notes and Comments (for Header)    2
[ 
  PID    Patient Identification      3
    [PD1]   Additional Patient Identification    3
    [{NTE}]   Notes and Comments (for PID)     2
  [{AL1}]   Allergy          2
  [PV1    Patient Visit        3
    [PV2]]   Patient Visit Additional Information   3
 
{ 
  ORC    Common Order         4
 [
  RXO    Pharmacy /Treatment Order      4
      [
       {NTE}   Notes and Comments (for RXO)     2
       {RXR}   Pharmacy/Treatment Route      4
        [
         {RXC}  Pharmacy/Treatment Component     4
             [{NTE}] Notes and Comments (for RXC)     2
        ]
       ]
 ]
 [
  RXE    Pharmacy/Treatment Encoded Order     4
     {RXR}   Pharmacy/Treatment Route      4
    [{RXC}]   Pharmacy/Treatment Component     4
 ]
  {RXA}    Pharmacy/Treatment Administration    4
   RXR    Pharmacy/Treatment Route      4
{[OBX    Observation/Result       7
   {[NTE]}   Notes and Comments (for OBX)     2
]}
{[CTI]}    Clinical Trial Identification     7
}

(acknowledged by)

RRA Pharmacy/Treatment Administration Acknowledgment Message Chapter
MSH     Message Header        2
MSA     Message Acknowledgment      2
[ERR]    Error          2
     [{NTE}]   Notes and Comments (for Header)    2
[  
  [PID    Patient Identification      3
     [{NTE}]]  Notes and Comments (for PID)     2
 {
   ORC    Common Order         4
   [
    {RXA}   Pharmacy/Treatment Administration    4
      RXR   Pharmacy/Treatment Route      4
   ]
  }
]  

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