Used by clinical applications to send an order to the pharmacy and/or dispensing systems. It may be sent as either an order containing a single pharmacy/treatment order for a patient or as an order containing multiple pharmacy/treatment orders for a patient (e.g., 1 mg tablet of Aspirin, 0.5 mg 0.5% Albuterol).
The transmission of orders occurs between the clinical application placing the order (the placer) and the clinical application filling the order (the filler). Typically, the clinician (e.g., physician) is entering orders on the HIS application which acts as the placer application in HL7 parlance. The system to which the order is targeted (e.g., the lab in the case of a complete blood count order) is the filler of the order.
The three RDE messages include Pharmacy encoded order messages:
- RDE-001 – ORM – Order message (also RDE, RDS, RGV, RAS)
- RDE-011 – RDE – Pharmacy/treatment encoded order
- RDE-025 – RDE – Pharmacy/treatment refill authorization request
The segments and groups of segments in the RDE message are as follows, and apply for all trigger events:
| SEGMENT/GROUP | NAME | OPTIONAL/REPEATABLE? |
|---|---|---|
| MSH | Message header | Required |
| NTE | Notes and comments | Optional, Repeatable |
| PatientGroup – Optional | ||
| PID | Patient identification | Required |
| PID1 | Patient demographics | Optional |
| NTE-1 | Notes and comments | Optional, Repeatable |
| PatientVisitGroup – Optional | ||
| PV1 | Patient visit | Required |
| PV2 | Patient visit – additional info | Optional |
| InsuranceGroup – Optional and repeatable group | ||
| IN1 | Insurance | Required |
| IN2 | Insurance additional info | Optional |
| IN3 | Insurance additional info certification | Optional |
| GT1 | Guarantor | Optional |
| AL1 | Patient allergy information | Optional, Repeatable |
| PatientGroup – Optional | ||
| OrderGroup – Repeatable | ||
| ORC | Common order segment | Required |
| PrescriptionOrderGroup – Optional | ||
| RXO | Pharmacy prescription order segment | Required |
| NTE-2 | Notes and comments segment | Optional, Repeatable |
| RXR | Pharmacy route segment | Repeatable |
| ComponentOrderGroup – OptionalM | ||
| RXC | Pharmacy component order segment | Repeatable |
| NTE-3 | Notes and comments segment | Optional, Repeatable |
| PrescriptionOrderGroup – Optional | ||
| RXE | Pharmacy encoded order segment | Required |
| RXR-1 | Pharmacy route segment | Repeatable |
| RXC-1 | Pharmacy component order segment | Optional, Repeatable |
| ObservationGroup – Repeatable | ||
| OBX | Observation segment | Optional |
| NTE-4 | Notes and comments segment | Optional |
| ObservationGroup – Repeatable | ||
| CTI | Clinical Trial Identification | Optional |
In HL7 pipe and hat format, the RDE message would look like this:
MSH|^~&|CPSI_IF_FEED_OUT|Murphy Medical Center|||20091026120921||RDE|20091026120921|P|2.3||
EVN||2009102612092156|||KLS
PID||1061418|1061418||PYXIS^TEST^PATIENT 2||19240829|M||W|4130 US HWY
64E^^MURPHY^NC^0000028906|CHE|8288378161^^^^^0000000000|0000000
000||S|OT|1061418|999999999|||||||||||N
PV1||1^I/P^00|003^UCC12^|D|||005600^HEAVNER^TERESA^MD|^^^|^^^|1|||||||00
5600^HEAVNER^TERESA^MD|||||||||||||||||||||||||||200910010938|
PV2|||||||U|20090930000000|||||||||||||||||||
MRG|112923
OBX|1|ST|1010.3^Height||072|Inches
OBX|2|ST|1010.1^Body Weight||190.00|pounds
AL1|||99999998^No Known Drug Allergies
DG1||||||A
ORC|XO|0000010|||IP||1^BID&1000,2200,^^200910150932^^0^0^
RXE|1^BID&1000,2200,^^200910150932^^0^0^|361906^PROPRANOLOL 40MG TAB
(INDERAL)|40||MG|EACH|HOLD FOR SBP #lg;90 |||1||||||||||||||
RXR|^PO
NTE|||
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