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Out of Area Placements (OAPs) quick guide to submitting data

This guidance has been developed to support the improvement of the quality and completeness of data submitted to the Mental Health Services Dataset (MHSDS) used in the analysis of out of area placements (OAPs) in adult acute mental health inpatient services in England. This guide was updated in August 2024. 

Definition of an Out of Area Placement

There is currently only a nationally agreed definition for what constitutes an adult acute care Out of Area Placement (OAP). As part of the quality framework, integrated care boards (ICBs) have been tasked with identifying out of area placements across all mental health bed types and the national team will be working with the system to support them to localise and realign inpatient care

The focus of national reporting is on adult acute OAPs for patients placed in the relevant bed types (adult acute, older adult and PICU). However, providers can apply local definitions to collect and submit OAPs for any Mental Health Services Dataset (MHSDS) bed type and activity is reported for placements to the full range of MHSDS bed types. 

Adult acute OAPs

An adult acute OAP occurs when a person with assessed acute mental health needs who requires adult mental health acute inpatient care, is admitted to a unit that does not form part of the usual local network of services. By this, we mean an inpatient unit that does not usually admit people living in the catchment of the person’s local community mental health service and where the person cannot be visited regularly by their care co-ordinator to ensure continuity of care and effective discharge planning.

Sending providers are to determine if a placement is classed as an adult acute OAP. The definition necessarily allows providers to apply knowledge of local catchment arrangements and the person’s circumstances when deciding if a placement is an OAP. OAPs can occur within one NHS provider, in other NHS providers, or independent sector providers (ISPs).

Fuller guidance on the definition and continuity principles for an adult acute OAP is available via the FutureNHS platform (requires login).

From the April 24 reporting period data submitted to MHSDS will be used as the official source of statistics relating to adult acute OAPs. Previously data from the interim Clinical Audit Platform (CAP) was used.


OAP measures

This table includes the OAPs measures that are published as part of the Mental Health Monthly Statistics publication, including those focused on inappropriate adult acute OAPs.

Open the OAP measures table
Monthly measure reference number Measure name Description of measure Mental Health Admitted Patient Class included How mental Health Admitted Patient Class is assigned
OAP01 Number of Inappropriate OAPs (not bed-nights) started in the period This is a count of inappropriate out of area placements started in the reporting period. - -
OAP01a Number of Inappropriate OAPs (not bed-nights) in Adult Acute beds started in the period This is a count of inappropriate out of area placements initiated during the reporting period specifically in Adult Acute beds, not accounting for bed-nights Only include where the MH Admitted Patient Class is in (200, 201, 202) MH Admitted Patient Class is based on the Bed Type at the start of the OAP
OAP02 Number of Inappropriate OAPs bed days in the period This is a sum of the number of bed days for active inappropriate out of area placements in the reporting period. - -
OAP02a Number of Inappropriate OAPs bed days in Adult Acute beds in the period This is a sum of the number of bed days for active inappropriate out of area placements in Adult Acute beds in the reporting period. Only include where the MH Admitted Patient Class is in (200, 201, 202) -
OAP03 Number of Inappropriate OAPs (not bed-nights) active at the end of the period This is a count of inappropriate out of area placements that have not been discharged at the end of the reporting period. - -
OAP03a Number of Inappropriate OAPs (not bed-nights) in Adult Acute beds active at the end of the period This is a count of inappropriate out of area placements currently active in Adult Acute beds at the end of the reporting period, not including bed-nights Only include where the MH Admitted Patient Class is in (200, 201, 202) MH Admitted Patient Class is based on the Bed Type at the point of the OAP being active
OAP04 Number of Inappropriate OAPs (not bed-nights) ended in the period This is a count of inappropriate out of area placements ended in the reporting period. - -
OAP04a Number of Inappropriate OAPs (not bed-nights) in Adult Acute beds ended in the period This is a count of inappropriate out of area placements that concluded within the reporting period, specifically in Adult Acute beds, excluding bed-nights. Only include where the MH Admitted Patient Class is in (200, 201, 202) MH Admitted Patient Class is based on the Bed Type at the end of the OAP

Recording OAPs in MHSDS

Data should be recorded by both the sending and receiving provider unlike the now retired interim Clinical Audit Platform (CAP) collection where only sending provider information was used.

Most OAPs activity metrics are reported using data from the receiving provider but data from both providers is used to triangulate the data recorded in the MHSDS to provide an overall picture of the person’s care. The following sections highlight the MHSDS data items that are specific to measuring and monitoring OAPs.


MHSDS data items needed for recording OAPs

The table below lists all the MHSDS fields needed to accurately report on OAPs, alongside the mandatory tables and data items needed to make a submission to the MHSDS. More information can be found in the MHSDS user guidance and Technical Output Specification.

Data needed for recording OAPs as a sending provider

The sending provider is the provider that has taken the decision to place someone outside of the usual local network of services. In addition to mandatory fields in MHSDS, NHS England needs the following information from a sender to identify an OAP has taken place:

Open the data needed for recording OAPs as a sending provider table
Table Field Notes specific to OAPs
MHS105OnwardReferral OATReason

Identifies the record as an OAP. This should be populated with one of the following codes:

10 - Unavailability of bed at referring organisation

11 – Safeguarding

12 – Offending restrictions

13 – Staff member or family/friend within the referring organisation

14 – Patient choice

15- Patient away from home 

99 – Not Known (Not Recorded)

MHS105OnwardReferral OnwardReferDate

Identifies the OAP starting period and link the record to the information submitted by the receiving provider through matching with the Referral Request Received Date, alongside other data items.

MHS105OnwardReferral OrgIDReceiving

Identifies the OAP in the information submitted by the receiving provider, alongside other data items.

Data needed for recording OAPs as a receiving provider

The receiving provider is the provider outside of the usual network of services that is providing the person with acute inpatient care. This could be another (or the same) NHS trust or an independent sector provider.

Unlike the interim and now retired (CAP) collection, receiving providers also need to submit information about any OAPs that were active at any point during the month.

To report on OAPs via the MHSDS, the information shown in the table below is needed from a receiver to identify an OAP has taken place and how long for.

Open the data needed for recording OAPs as a receiving provider table
Table Field Notes specific to OAPs

MHS101Referral

ReasonOAT

Identifies the record as an OAP. This should be populated with one of the following codes:

10 - Unavailability of bed at referring organisation

11 – Safeguarding

12 – Offending restrictions

13 – Staff member or family/friend within the referring organisation

14 – Patient choice

15 – Patient Away from home

99 – Not Known (Not Recorded)

MHS101Referral

ReferralRequestReceivedDate

Identifies the OAP starting period and link the record to the information submitted by the sending provider through matching with the Onward Referral Date, alongside other data items.

MHS101Referral OrgIDReferring

Identifies the OAP in the information submitted by the sending provider, alongside other data items.

MHS502WardStay MHAdmittedPatientClass

Identifies which types of adult acute mental health beds people are being placed out of area for. This should be populated with one of the following codes:

200 - Acute adult mental health care

201 Acute older mental health care (Organic and functional)

202 - Adult psychiatric intensive care (Acute mental health care) 

MHS502WardStay StartDateWardStay Identifies the start of the ward stay for an OAP, used to calculate bed days.
MHS502WardStay EndDateWardStay Identifies the end of the ward stay for an OAP, used to calculate bed days.

A new lookup table MHS903WardDetails has been introduced in v6.0 of the MHSDS to record the characteristics of and details about the ward where a patient has been treated.

This table includes a number of data items that were previously located in the MHS502WardStay table.

It is expected that each WardCode recorded in the MHS502WardStay table will link to a WardCode recorded in the MHS903WardDetails table.

Where a patient on an OAP referral is initially placed in an adult acute bed type but then moves to another bed type, the receiving provider should continue to submit activity against that original OAP referral until the patient is discharged from the provider. 

This means that the provider should close the initial ward stay with the adult acute bed type and open a new ward stay – but both ward stays should be linked to the original OAP referral.

The following 3 tables need to be submitted in each submission with their respective mandatory and required fields. More information can be found in the MHSDS user guidance and Technical Output Specification.

Table Description
MHS000Header Uniquely identifies each MHSDS submission made by the provider
MHS001MPI Uniquely identifies every patient and records personal details of each patient
MHS002GP Records details of the GP of every patient*

* Whilst this is not specific to OAPs, each patient must have a GP code recorded for their records to be accepted into the dataset. Iif you do not know the patient's GP code then the default 'V81997 - No Registered GP Practice', 'V81998 - GP Practice Code not applicable' or 'V81999 - GP Practice Code not known' codes can be used.


Specialised Commissioning services

For Specialised Commissioning services, NHS England monitors Out of Area Placements via 'Natural Clinical Flows' (NCFs). NCFs define the expanse in which patients from a given geographical area would generally use a particular service or group of services.

NCFs are not catchment areas, that is they do not presuppose boundaries outside of which patients should not be admitted, nor within which only patients from that area should be admitted.

All specialised MHLDA Provider Collaboratives have an agreed NCF. These services include Children and Young People’s Mental Health Services, Adult Low and Medium Secure Services, Adult Eating Disorder Services, and Perinatal Mental Health Mother and Baby Units.

The NCF reference data is held by NHS England and is applied to healthcare providers’ MHSDS submissions, using the Organisation Site Identifier and the Specialised Mental Health Service Category Code.


Last edited: 2 April 2025 3:57 pm