| Code | Display | Definition |
| A |
ASAP |
As soon as possible, next highest priority after stat. |
| CR |
callback results |
Filler should contact the placer as soon as results are available, even for preliminary results. (Was "C" in HL7 version 2.3's reporting priority.) |
| CS |
callback for scheduling |
Filler should contact the placer (or target) to schedule the service. (Was "C" in HL7 version 2.3's TQ-priority component.) |
| EL |
elective |
Beneficial to the patient but not essential for survival. |
| EM |
emergency |
An unforeseen combination of circumstances or the resulting state that calls for immediate action. |
| P |
preop |
Used to indicate that a service is to be performed prior to a scheduled surgery. When ordering a service and using the pre-op priority, a check is done to see the amount of time that must be allowed for performance of the service. When the order is placed, a message can be generated indicating the time needed for the service so that it is not ordered in conflict with a scheduled operation. |
| PRN |
as needed |
An "as needed" order should be accompanied by a description of what constitutes a need. This description is represented by an observation service predicate as a precondition. |
| R |
routine |
Routine service, do at usual work hours. |
| RR |
rush reporting |
A report should be prepared and sent as quickly as possible. |
| S |
stat |
With highest priority (e.g., emergency). |
| T |
timing critical |
It is critical to come as close as possible to the requested time (e.g., for a through antimicrobial level). |
| UD |
use as directed |
Drug is to be used as directed by the prescriber. |
| UR |
urgent |
Calls for prompt action. |