24 Jan 2023

AI Mental Health Chatbot Diagnoses Disorders with 93% Accuracy

London-headquartered digital health startup, Limbic’s psychological assessment AI chatbot tool that can predict mental health disorders with an accuracy rate of 93%, has achieved Class IIa UKCA medical device certification. This certification makes Limbic Access, the first and only AI mental health chatbot in the world to earn this status for its clinical effectiveness, safety and risk management.


The certification confirms that Limbic Access, which uses machine learning to continuously improve the quality of its digital assessments and conversations, can be safely incorporated into the psychological therapy pathway to support patient self-referral.


Limbic Access can classify the eight common mental health disorders treated by NHS Talking Therapies (IAPTs) with an accuracy of 93%, further supporting therapists and augmenting the human-led clinical assessment.


130,000 NHS patients have so far accessed psychological therapy using Limbic’s AI mental health chatbot, making it the most widely used solution of its kind in the NHS. UKCA auditors, SGS, reviewed clinical evidence generated from more than 60,000 referrals and found that when compared with standard referral methods such as telephone calls and online forms,


Limbic Access delivered:

  • 53% improvement in recovery rates 

  • 45% fewer changes in treatment, due to increased triage accuracy

  • 23.5% reduction in assessment time – a saving of 12.7 minutes per referral 

  • 18% reduction in treatment dropouts

  • 13% reduction in wait time for assessment 

  • 5% shorter wait time for treatment 

Limbic Access is already working with 25% of NHS IAPTs to augment its therapy process and, to date, it is estimated to have saved IAPT services in England more than 30,000 clinical hours. 


Through Limbic Access and its sister product, Limbic Care – designed to provide personalised support and remote monitoring for patients in treatment – the rapidly growing tech company has created an end-to-end solution for talk therapy that’s designed to augment psychological therapy from start to finish.



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