HL7 v2.8.1 Vocabulary
0.2.0 - ci-build

HL7 v2.8.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v281/ and changes regularly. See the Directory of published versions

## CodeSystem: Order Control Codes (2.8.1 - 1.7.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/orderControlCodes | Version: 1.7.0
Active as of 2026-03-13 | Computable Name: OrderControlCodes
Other Identifiers: OID:2.16.840.1.113883.18.48, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0119
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts which are used to determine the function of the order segment. Depending on the message, the action specified by one of these control codes may refer to an order or an individual service. Used in Version 2.x messaging of orders in the ORC segment.

This Code system is referenced in the content logical definition of the following value sets:

- Hl7VSorderControl

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description
version introduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced
version deprecated | versionDeprecated | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated | string | version when was this code deprecated
status | status | http://hl7.org/fhir/concept-properties#status | code | A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired
comment, to suppress IG-publisher warning, to be replaced with standard later | comment | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment | string | A string that provides additional detail pertinent to the use or understanding of the concept
usage | usage | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage | string | usage notes for this code
modified | modified | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified | dateTime | date of last modification
application | application | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#application | string | application

Concepts

This case-sensitive code system `http://terminology.hl7.org/v2plusvocab/CodeSystem/orderControlCodes` defines the following codes:

Code | Display | Definition | version introduced | usage | Deutsch (German, de)
AF | Order/service refill request approval | Order/service refill request approval | 2.3 | Placer Applications.<p>AF is a response to RF where the placer authorizing a refill or quantity of refills. |
CA | Cancel order/service request | Cancel order/service request | 2.1 | Placer or Filler Applications.<p>A cancellation is a request by the placer for the filler, or the filler to the placer, not to do a previously ordered service. Confirmation of the cancellation request is provided by the filler or placer, e.g., a message w | Auftrag stornieren
CH | Child order/service | Child order/service | 2.1 | Placer or Filler Applications.<p>Used in conjunction with the PA - Parent order control code. Refer to PA order control code for discussion. | nachgeordneter Auftrag
CN | Combined result | Combined result | 2.1 | Filler Applications.<p>The combined result code provides a mechanism to transmit results that are associated with two or more orders. This situation occurs commonly in radiology reports when the radiologist dictates a single report for two or more exams r | Kumulatives Ergebnis (zu mehreren Aufträgen)
CP | Cancel process step | Cancel process step | 2.8 | Filler Applications.<p>The control code CP - Cancel process step should be used in the ORC-1 for communication Filler-to-Filler, e.g., LIS-to-Analyzer, to differentiate from code CA (Placer-to-Filler).<p>The Filler should response with an acceptance of th |
CR | Canceled as requested | Canceled as requested | 2.2 | Filler or Placer Applications.<p>A response by the filler or placer application that a request to cancel (CA by the placer application) was performed successfully. | Auftrag anweisungsgemäß storniert
DC | Discontinue order/service request | Discontinue order/service request | 2.1 | Placer or Filler Applications.<p>A request by the placer for the filler, or the filler to the placer, to discontinue a previously requested service. The differentiation between discontinue and cancel is that discontinue effects the order/service and all.. | Auftragsausführung abbrechen
DE | Data errors | Data errors | 2.1 | Placer or Filler Applications. | Datenfehler
DF | Order/service refill request denied | Order/service refill request denied | 2.3 | Placer Applications.<p>In response to a Filler application requesting refill authorization (RF), DF indicates that the placer does not authorize refills for the order. ORC-16 Order Control Code reason may be used to indicate the reason for the request den |
DR | Discontinued as requested | Discontinued as requested | 2.1 | Filler or Placer Applications.<p>The filler or placer, in response to a request to discontinue (DC from the placer or filler application), has discontinued the order/service. | Auftragsausführung anweisungsgemäß abgebrochen
FU | Order/service refilled, unsolicited | Order/service refilled, unsolicited | 2.3 | Filler Applications.<p>FU notifies the placer that the filler issued a refill for the order at the patient's request. |
HD | Hold order request | Hold order request | 2.1 | Placer Applications.<p>Typical responses include, but are not limited to, CR - Cancelled as requested, UC - Unable to Cancel. | Auftragsbearbeitung aussetzen
HR | On hold as requested | On hold as requested | 2.1 | Filler Applications. | Auftragsbearbeitung anweisungsgemäß ausgesetzt
LI | Link order/service to patient care problem or goal | Link order/service to patient care problem or goal | 2.3.1 | Placer or Filler Applications.<p>Refer to Chapter 12 Patient Care for complete discussion. |
MC | Miscellaneous Charge - not associated with an order | Miscellaneous Charge - not associated with an order | 2.6 | applies to DFT^P03^DFT_P03 and DFT^P11^DFT_P11 |
NA | Number assigned | Number assigned | 2.1 | Placer Applications.<p>There are three circumstances that involve requesting an order number (ORC-2-placer order number or ORC-3-filler order number):<p>(1) When the filler application needs to request an ORC-3-filler order number from a centralized appli | Nummer zugewiesen
NW | New order/service | New order/ervice | 2.1 | Placer Applications.<p>See comments for NA - Number Assigned. | Neuer Auftrag
OC | Order/service canceled | Order/service canceled | 2.2 | Filler Applications. | Auftrag storniert
OD | Order/service discontinued | Order/service discontinued | 2.1 | Filler Applications. | Auftragsausführung abgebrochen
OE | Order/service released | Order/service released | 2.3 | Filler Applications. |
OF | Order/service refilled as requested | Order/service refilled as requested | 2.3 | Filler Applications.<p>OF directly responds to the placer system's request for a refill. |
OH | Order/service held | Order/service held | 2.2 | Filler Applications. | Auftragsbearbeitung ausgesetzt
OK | Order/service accepted & OK | Order/service accepted & OK | 2.1 | Filler Applications.<p>See comments for NA - Number Assigned. | Auftrag akzeptiert
OP | Notification of order for outside dispense | Notification of order for outside dispense | 2.5 | Placer Applications.<p>These order control codes are used to communicate an order between systems where the order is intended for informational purposes. For example, an order that will be performed by a vendor outside the enterprise of communicating syst |
OR | Released as requested | Released as requested | 2.1 | Filler Applications. | Auftragsbearbeitung anweisungsgemäß wiederaufgenommen
PA | Parent order/service | Parent order/service | 2.1 | Filler Applications.<p>The parent (PA) and child (CH) order control codes allow the spawning of "child" orders from a "parent" order without changing the parent (original order). One or more ORC segments with an ORC-1-order control value of PA are followe | Hauptauftrag
PR | Previous Results with new order/service | Previous Results with new order/service | 2.4 | Placer Applications.<p>PR indicates that this ORC is part of an ORU structure containing previous observation, which is embedded in the order.<p>At least two main use cases require that the complete results of the previous observations be transmitted with |
PY | Notification of replacement order for outside dispense | Notification of replacement order for outside dispense | 2.5 | Placer Applications.<p>See comments for OP - Notification of order for outside dispense. |
RE | Observations/Performed Service to follow | Observations/Performed Service to follow | 2.1 | Placer or Filler Applications.<p>The observations-to-follow code is used to transmit patient-specific information with an order. An order detail segment (e.g., OBR) can be followed by one or more observation segments (OBX). Any observation that can be tra | Untersuchungsergebnisse folgen (in späteren Segmenten dieser Nachricht)
RF | Refill order/service request | Refill order/service request | 2.3 | Placer or Filler Applications.<p>RF accommodates requests by either the filler or the placer. The filler may be requesting refill authorization from the placer. A placer system may be requesting a refill to be done by the filler system.<p>Typical response |
RL | Release previous hold | Release previous hold | 2.2 | Placer Applications. | Auftragsberabeitung wiederaufnehmen
RO | Replacement order | Replacement order | 2.1 | Placer or Filler Applications.<p>A replacement is the substitution of one or more orders for one or more previously ordered services.<p>The replaced orders are treated as though they were canceled. If and when an ordered service can be replaced are local.. | Ersatzauftrag
RP | Order/service replace request | Order/service replace request | 2.1 | Placer Applications.<p>A replacement is the substitution of one or more orders for one or more previously ordered services. See comment 1 on RO - Replacement Order for further discussion.<p>The order replace request code permits the order filler to replac | Auftrag ersetzen
RQ | Replaced as requested | Replaced as requested | 2.2 | Filler Applications.<p>A replacement is the substitution of one or more orders for one or more previously ordered services. See comment 1 on RO - Replacement Order for further discussion.<p>The order replace request code permits the order filler to replac | Auftrag anweisungsgemäß ersetzt
RR | Request received | Request received | 2.1 | Placer or Filler Applications.<p>Left in for backward compatibility. In the current version it is equivalent to an accept acknowledgment. The request-received code indicates that an order message has been received and will be processed later. The order ha | Anforderung erhalten
RU | Replaced unsolicited | Replaced unsolicited | 2.1 | Filler Applications.<p>A replacement is the substitution of one or more orders for one or more previously ordered services. See comment 1 on RO - Replacement Order for further discussion.<p>The unsolicited replacement code permits the filler application t | Auftrag ersetzt (ohne Anweisung)
SC | Status changed | Status changed | 2.2 | Placer or Filler Applications. | Statusänderung
SN | Send order/service number | Send order/service number | 2.1 | Placer Applications.<p>See comments for NA - Number Assigned. | Auftrags- bzw. Bearbeitungsnummer zuweisen / übermitteln
SR | Response to send order/service status request | Response to send order/service status request | 2.2 | Filler Applications. | Auftragsstatus (Antwort)
SS | Send order/service status request | Send order/service status request | 2.1 | Placer Applications. | Auftragsstatus senden
UA | Unable to accept order/service | Unable to accept order/service | 2.3 | Filler Applications.<p>An unable-to-accept code is used when a new order cannot be accepted by the filler. Possible reasons include requesting a prescription for a drug which the patient is allergic to or for an order which requires certain equipment reso | Auftragsannahme nicht möglich
UC | Unable to cancel | Unable to cancel | 2.2 | Filler or Placer Applications.<p>An unable-to-cancel code is used when the ordered service is at a point that it cannot be canceled by the placer or filler or when local rules prevent cancellation by the filler. The use of this code is dependent on the va | Auftragsstornierung nicht möglich
UD | Unable to discontinue | Unable to discontinue | 2.1 | Filler or Placer Applications.<p>An unable-to-discontinue code is used when the ordered service is at a point that it cannot be discontinued by the placer or filler or when local rules prevent discontinuance by the filler. The use of this code is dependen | Abbrechen nicht möglich
UF | Unable to refill | Unable to refill | 2.3 | Filler Applications.<p>Negative response to RF Refill order/service request, indicating that the receiving application was not able to complete the refill request. |
UH | Unable to put on hold | Unable to put on hold | 2.1 | Filler Applications. | Aussetzen nicht möglich
UM | Unable to replace | Unable to replace | 2.2 | Filler Applications. | Ersetzen nicht möglich
UN | Unlink order/service from patient care problem or goal | Unlink order/service from patient care problem or goal | 2.3.1 | Placer or Filler Applications.<p>Refer to Chapter 12 Patient Care for complete discussion. |
UR | Unable to release | Unable to release | 2.1 | Filler Applications. | Wiederaufnahme nicht möglich
UX | Unable to change | Unable to change | 2.1 | Filler Applications. | Änderung nicht möglich
XO | Change order/service request | Change order/service request | 2.2 | Placer Applications. | Auftrag ändern
XR | Changed as requested | Changed as requested | 2.1 | Filler Applications. | Auftrag anweisungsgemäß geändert
XX | Order/service changed, unsol. | Order/service changed, unsol. | 2.1 | Filler Applications. | Auftrag geändert (ohne Anweisung)