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Adult Social Care Client Level Dataset

The Adult Social Care Client Level Data Set (ASCCLDS) collects Adult Social Care activity on requests, reviews, assessments and services at a client level from local authorities in England

Access method


Data set available in packages

  • No

Period of data coverage

Adult Social Care Client Level Dataset will cover the period of 01/04/2023 onward.


Geographical scope of data

England



Linkable to other data sets

  • Yes

Associated data sets

Not applicable 


Data collection process

Submitted by: Local authorities

Collected by: NHS England

Frequency: Quarterly


Clinical coding systems

Does the data set include any standardised systems of coding?

  • None of the considered coding systems are used as responses in the data fields
Full list of coding systems considered

SNOMED-CT (a structured clinical vocabulary for use in electronic health records.)

ICD  (International Classification of Diseases classifies diseases and other health conditions.)

OPCS-4  (Office of Population Census and Surveys classification of interventions and surgical procedures)

dm+d  (Dictionary of descriptions and codes which represent medicines and devices in use across the NHS.)

NICIP (National Interim Clinical Imaging Procedure provides consistent recording of imaging procedures.)

UCUM  (Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measurement.)

TFCs (Treatment Function Codes are used to record treatment activities undertaken)

Read Code v2  (A coded thesaurus of clinical terms.)

Read Code Clinical Terms v3 (A coded thesaurus of clinical terms.)

UICC (Union for International Cancer Control classification of cancer by anatomic disease extent.)

IMD  (Indices of Multiple Deprivation measures relative poverty.)


Derived fields

Standardised formulation may be applied across multiple data sets to generate commonly derived fields.  Any standard derivations applicable to this data set are listed below. Please note that this does not include bespoke derivations created specifically for the individual data set

  • CLINICAL COMMISSIONING GROUP OF RESIDENCE
  • LOCAL AUTHORITY OF RESIDENCE
  • LOWER SUPER OUTPUT AREA OF RESIDENCE
  • PERSON ID
Full list of standard derivations considered

GP_PRACTICE_CODE_TRACED (The GP practice that the patient is registered at, as found when traced against the Person Demographic Service (PDS).)

CCG_OF_RESIDENCE (Clinical Commissioning Group covering the area in which the patient’s postcode falls where data relates to pre 1 July 2022. Otherwise ICB sublocation.)

ICS_OF_RESIDENCE (The Integrated Care System covering the area in which the patient’s postcode falls. This will be null for any data relating to earlier than 1 July 2022.)

LA_OF_RESIDENCE (The local authority covering the area in which the patient’s postcode falls.)

LSOA_OF_RESIDENCE (The Lower Super Output Area (lowest level without being disclosive) covering the area in which the patient’s postcode falls.)

CCG_OF_REGISTRATION (Clinical Commissioning Group which has a commissioning relationship with the GP practice which the patient is registered at where data relates to pre 1 July 2022. Otherwise ICB sub location.)

ICS_OF_REGISTRATION (The Integrated Care System covering the area in which the patient’s GP practice falls. This will be null until for any data relating to earlier than 1 July 2022.)

LA_OF_REGISTRATION (The local authority covering the area in which the patient’s GP practice falls.)

LSOA_OF_REGISTRATION (The Lower Super Output Area (lowest level without being disclosive) covering the area in which the patient’s GP practice falls.)


Third party licensing

Does the data set require copyrighted clinical assessment tools or outcome measures that require a licence?

  • None

Advice and support

Governance of this data set is provided by:

Owning organisation: NHS England

Data Controller: NHS England

Data Processor: NHS England

NHS England provides a variety of functions for the data sets we make available.  Therefore, our knowledge and understanding of the data will vary, impacting the level of advice and support we can provide.

In relation to this data set, we undertake end to end management and can therefore provide a full advice, guidance and support service.


Supporting documentation and guidance

Last edited: 9 October 2024 11:52 am