BS 30440 - the British Standard for the validation framework of AI in healthcare - plays a critical role in achieving this. Two case studies from the NHS showcase how BS 30440 is being used to ensure trustworthy AI deployment in real-world clinical settings.
Faced with rising demand and stretched radiology resources, Lewisham and Greenwich NHS Trust embarked on a mission to integrate AI-powered fracture detection tools into its emergency services.
Leveraging BS 30440 as the backbone of its implementation process, the trust conducted rigorous evaluations, including:
A retrospective and shadow mode testing of two AI tools (Tool A and Tool B).
A comprehensive clinical safety report and ethical impact assessments via the Z-Inspection Framework.
Structured performance metrics, stakeholder engagement, and robust governance mechanisms.
Key outcomes:
Tool A showed superior performance with 97% accuracy, 93% sensitivity, and 98.8% specificity.
BS 30440 ensured clinical safety, operational efficiency, and regulatory compliance from pilot to post-deployment monitoring.
A structured point-based system and stakeholder sentiment surveys added transparency and trust.
Lewisham and Greenwich NHS Trust also concluded that the BS 30440-aligned approach not only improves fracture detection processes but also offers a scalable model for structured AI assurance across other specialties—including dermatology, ophthalmology, outpatient departments (OPD), and pathology. The methodology enhances decision-making and risk management at a local level and contributes to building a more resilient and ethical AI landscape across the NHS.
“Applying the BS 30440 framework in our comparative AI study has been transformative: not only in selecting the most clinically viable fracture detection tool for our service, but also in aligning our adoption process with safety, ethical, and regulatory best practices. The structured evaluation has strengthened confidence and provides excellent guidance and support to anyone embarking on the deployment of NHS AI applications, where the AI technologies are still evolving.
As a result, patients will greatly benefit through faster diagnosis, fewer downstream imaging requests, and more efficient workflows. This framework has streamlined our deployment pathway and has the potential to expand this approach across more radiology implementations within our Trust and clinical specialities, such as OPD, dermatology, ophthalmology, and pathology, as well as the wider NHS, where AI is advancing rapidly but still needs thorough evaluation before adoption.
I’m grateful to be part of BSI’s efforts to showcase this as a case study on the Knowledge Platform and hope it inspires other NHS organisations to embed structured AI assurance in their innovation strategies.”
— Dr Sarojini David, Clinical Director of Radiology, AI Lead, Lewisham and Greenwich NHS Trust
Read the full case study to explore the detailed evaluation process, performance metrics, and next steps planned for full-scale deployment.
Developed by NHS South East London in collaboration with all five London ICSs, this framework operationalizes BS 30440 to deliver AI projects safely and efficiently across a complex healthcare ecosystem.
What sets this framework apart:
A unified AI delivery lifecycle: from idea generation to proof of concept, pilot, scale, and monitoring.
Mandated roles for AI Advisory and Coordination Leads across ICSs to foster collaboration and reduce duplication.
Standardized tools including clinical safety (DCB160), ethical reflection templates, and model monitoring protocols.
Emphasis on workforce and community engagement to build public trust and AI literacy.
The framework goes beyond technology. It’s a blueprint for system-wide transformation driven by ethical, safe, and transparent AI integration.
Dive into the full framework to see how London’s NHS is building a future-proof approach to AI in healthcare.
These case studies underscore why BS 30440 is not just a regulatory checkbox, but a strategic enabler for:
reducing implementation risks;
enhancing cross-sector collaboration;
supporting procurement decisions; and
and most importantly, improving patient outcomes.
Want to follow in their footsteps? By embedding this standard into your organisation's AI journey, you're not just adopting technology, you're adopting trust, safety, and sustainability. Get you copy of BS 30440 today.