Community mental health care NMDS 2022–23

Identifying and definitional attributes

Metadata item type:Data Set Specification
METeOR identifier:742040
Registration status:Health, Standardisation pending 22/10/2021
DSS type:National Minimum Data Set (NMDS)

The Community mental health care national minimum data set (CMHC NMDS) includes data about mental health service contacts provided by specialised mental health services for patients/clients in the community; that is patients/clients not admitted to admitted patient mental health care services or residential mental health care services.

The scope includes:

  • ambulatory mental health care provided by service units covering all target populations.

The scope excludes:

  • all care to admitted patients, including same day admitted patient care delivered by ambulatory mental health care service units
  • 'in-reach' mental health service contacts, that is, service contacts provided to patients admitted to admitted patient mental health care services or residential mental health services
  • support services that are not specialised mental health care services (see Specialised mental health service) and services provided by non-government organisations.

Excluded from the CMHC NMDS scope is all activity reported to:

  • the Admitted patient care NMDS
  • the Residential mental health care NMDS.

The following metadata items are of particular relevance to the scope of the CMHC NMDS:

Ambulatory mental health care service

Specialised mental health service

Collection and usage attributes

Statistical unit:

Mental health service contact

Implementation start date:01/07/2022
Implementation end date:30/06/2023

Glossary items
Glossary terms that are relevant to this National minimum data set include:

Admitted patient mental health care service

Ambulatory care

Ambulatory mental health care service

Geographic indicator


Residential mental health care service


Relational attributes

Related metadata references:

See also Activity based funding: Mental health care NBEDS 2022–23 Health, Standard 17/12/2021

Supersedes Community mental health care NMDS 2021–22 Health, Standard 20/01/2021

See also Statistical Area Level 1 of usual residence NBEDS 2022–23 Health, Standard 20/10/2021

Metadata items in this Data Set Specification

    Show more detail
Seq No.Metadata item Obligation Max occurs
-Episode of care—mental health legal status, code NMandatory1
-Episode of care—principal diagnosis, code (ICD-10-AM 12th edn) ANN{.N[N]}Mandatory1
-Establishment—Australian state/territory identifier, code NMandatory1
-Establishment—region identifier, X[X]Mandatory1
-Establishment—region name, text XXX[X(57)]Mandatory1
-Establishment—sector, code NMandatory1
-Establishment—service unit cluster identifier, XXXXXMandatory1
-Establishment—service unit cluster name, text XXX[X(97)]Mandatory1
-Mental health service contact—patient/client participation indicator, yes/no/unknown code NMandatory1
-Mental health service contact—service contact date, DDMMYYYYMandatory1
-Mental health service contact—service duration, total minutes NNNMandatory1
-Mental health service contact—session type, code NMandatory1
-Person—area of usual residence, statistical area level 2 (SA2) code (ASGS Edition 3) N(9)Mandatory1
-Person—country of birth, code (SACC 2016) NNNNMandatory1
-Person—date of birth, DDMMYYYYMandatory1
-Person—Indigenous status, code NMandatory1
-Person—marital status, code NMandatory1
-Person—person identifier, XXXXXX[X(14)]Mandatory1
-Person—sex, code XMandatory1
-Person—unique identifier used indicator, yes/no code NMandatory1
-Specialised mental health service organisation—organisation identifier, XXXXMandatory1
-Specialised mental health service organisation—organisation name, text XXX[X(97)]Mandatory1
-Specialised mental health service—ambulatory service unit identifier, XXXXXXMandatory1
-Specialised mental health service—ambulatory service unit name, text XXX[X(97)]Mandatory1
-Specialised mental health service—target population group, code NMandatory1