This brief article summarises:

  • what the CORE System is
  • what forms are available in the system
  • how the forms can be used
  • how they can be accessed

If you are already familiar with the system you may be interested to know that the CORE-OM, CORE-10 and YP-CORE forms are now available in WriteUpp.

What is the CORE System?

CORE stands for ‘Clinical Outcomes in Routine Evaluation’ and the CORE System comprises tools and thinking to support monitoring of change and outcomes in routine practice in psychotherapy, counselling and any other work promoting psychological recovery, health and wellbeing.

The CORE System was launched in 1998 and was immediately adopted by a large number of UK psychological therapy services.

It’s continued to evolve since its inception and is made up of a variety standard, non-editable forms which can be completed prior to, during and following treatment using a scoring mechanism. 

The CORE System Trust (CST) owns the copyright on all of the instruments and manages the full system, including any developments and distribution of the tools. The trust aims to protect the copyright and while also encouraging and supporting the development and use of the system.

What forms are available in the CORE System?

The main and original CORE system form is the CORE-OM (Clinical Outcomes in Routine Evaluation – Outcome Measure) which covers four main domains:

  • wellbeing
  • problems
  • functioning
  • risk

It can be completed before and after therapy, to enable evaluation of change in psychological therapies. The CORE-OM has 34 items, all with the same five level response choice and the time frame is the last seven days.

There are also a number of related forms available in the system, referred to as instruments, which are summarised here:

  • CORE-SF/A – first quasi-parallel 18 item form
  • CORE-SF/B – second short form
  • CORE 10 – more recent short form for screening and review
  • CORE 5 – ultra short form for tracking recovery and improvement
  • GP-CORE – short form for general population survey work
  • YP-CORE – short form adapted for young people aged 13-17
  • LD-CORE – forms drawing on the CORE-OM design co-developed with people with learning disabilities
  • CORE-A Therapy Assessment Form (TAF) – practitioner completed form giving crucial initial context to the change measurement
  • CORE-A End of Therapy (EoT) – form completed at the end of therapy describing the treatment

If you’d like to read more details on each form please visit

What is a CORE-10?

The CORE outcome measure (CORE-10) is a session by session monitoring tool which covers  anxiety, depression, trauma, physical problems, functioning and risk to self.

The measure has six high intensity/ severity and four low intensity/ severity items.


How can the CORE System be used?

The CORE system is used by practitioners to measure and evaluate the mental health and wellbeing of their clients. Some forms are completed by clients and evaluated by a practitioner, while others have been built for completion by the therapist.

The aim is for practitioners to be able to calculate a score from the outcome forms, allowing data to be standardised and evaluated.

How do I access the CORE system?

It’s important to note that he copyright of the CORE system is owned by the CORE System Trust. This is to maintain the integrity of the system, and to avoid the forms being reproduced and changed in any way.

Most good practice management systems include a subset of the CORE forms. In our case, with the Core System Trust’s agreement, we include the CORE-OM, CORE-10 and YP-CORE forms in our assessment store as these are the most frequently requested. If you would like others to be considered for inclusion please get in touch with us on Live Chat ⤵️

Got any questions?

We’ve collaborated with the CORE System Trust to include their forms in WriteUpp but keep in mind that they are the experts on these forms and so if you’d like more information on the use of the CORE system please take a look at their website ->