Unlocking Hidden Capacity for NHS Productivity

Why this topic matters

NHS productivity is a complex and ongoing challenge. Factors such as growing demand, workforce shortages, and the increasing complexity of care mean that every opportunity to improve efficiency must be explored. Hidden capacity represents a vital, often overlooked, lever for improvement. Identifying it can lead to:

• Improved Patient Access and Flow: Reducing waiting times, optimising bed occupancy, and streamlining diagnostic pathways.
• Enhanced Staff Experience: Minimising frustrations from inefficient processes, reducing wasted time, and allowing staff to focus on direct patient care.
• Better Resource Utilisation: Ensuring that expensive equipment, clinical spaces, and skilled personnel are used to their full potential.
• Sustainability of Services: Making existing services more resilient and capable of meeting increasing demand without proportionate increases in budget or workforce.

While not all recovered capacity is cash-releasing, it consistently contributes to better patient care and a more sustainable working environment for NHS staff.

Practical explanation: What is hidden capacity?

Hidden capacity refers to the latent ability within an NHS service to deliver more or better care without necessarily adding new resources (staff, beds, equipment). It's the capacity that is currently lost or underutilised due to inefficiencies, sub-optimal processes, or structural limitations. Think of it as 'slack' in the system that can be tightened up to yield more output.

Common sources of hidden capacity include:

• Process Bottlenecks: Points in a patient pathway where flow is restricted, causing delays upstream or downstream. Examples include long waits for diagnostics, theatre turnaround times, or discharge delays.
• Unnecessary Steps or Rework: Activities that don't add value to the patient or have to be repeated due to errors or lack of clarity. This might involve duplicate documentation, unnecessary handovers, or repeated assessments.
• Underutilised Assets: Equipment or spaces that are not used optimally throughout the working day or week, e.g., theatre downtime, unused clinic rooms, or diagnostic equipment not running at full capacity.
• Information Flow Gaps: Delays or errors caused by poor communication, lack of timely access to patient information, or reliance on paper-based systems.
• Variations in Practice: Inconsistent approaches to care that lead to longer lengths of stay, increased resource use, or sub-optimal outcomes compared to best practice.
• Skill Mix and Role Optimisation: Opportunities to delegate tasks appropriately or train staff to take on new responsibilities, freeing up highly skilled professionals for more complex care.

Identifying hidden capacity requires a systematic, data-driven approach, often involving process mapping, demand and capacity analysis, and direct observation of workflows.

Common pitfalls

Successfully unlocking hidden capacity requires careful navigation. Common pitfalls include:

• Assuming Capacity Doesn't Exist: A common initial reaction is that services are already at full stretch. Without data, it's difficult to challenge this perception.
• Focusing on Individual Blame: Inefficiencies are almost always systemic, not individual. A blame-free culture is essential for staff to identify and highlight problems.
• Lack of Data: Without robust data on demand, activity, waiting times, and resource utilisation, identifying specific bottlenecks and quantifying potential gains is challenging.
• One-off Initiatives: Capacity gains often erode if improvements are not embedded into routine practice and continuously monitored.
• Ignoring Staff Insight: Frontline staff often have the best understanding of where inefficiencies lie. Failing to engage them is a missed opportunity.
• Underestimating Change Management: Implementing changes, even positive ones, can be disruptive. Adequate communication, training, and support are crucial.
• Confusing Activity with Productivity: Simply increasing activity without improving efficiency or patient outcomes does not equate to true productivity gain.

Step-by-step approach to identifying and unlocking hidden capacity

Unlocking hidden capacity is a quality improvement endeavour. The following steps provide a structured approach:

1. Define the Scope and Team

• Identify a specific service or pathway: Start with an area experiencing significant pressure, long waits, or high demand. Examples might include an outpatient clinic, a surgical pathway, or discharge process.
• Form a multidisciplinary team: Include clinical staff (doctors, nurses, AHPs), operational managers, administrative staff, and QI/audit leads. Ensure clinical leadership and managerial sponsorship are in place.
• Define clear objectives: What specific problems are you trying to solve? How will you measure success? (e.g., reduce average length of stay by X days, increase clinic capacity by Y appointments).

2. Map the Current State (Process Mapping and Data Collection)

• Process Map: Visually map the patient journey or key workflow, step-by-step. Identify all activities, decision points, handovers, and queues. Use a swimlane diagram to show who does what.
• Data Collection: Gather quantitative data on key metrics:
  • Demand: How many patients/referrals enter the system?
  • Capacity: What are the available resources (staff, rooms, equipment) and their utilisation rates?
  • Throughput: How many patients complete the process in a given time?
  • Waiting Times/Length of Stay: At each stage and overall.
  • Rework/Errors: How often do things need to be redone?
• Engage Frontline Staff: Conduct interviews, observations (e.g., 'gemba walks'), and surveys to understand daily challenges and perceptions of inefficiency.

3. Identify Bottlenecks and Waste

• Analyse the Process Map: Look for areas where queues form, where steps are duplicated, or where there are significant delays. This highlights potential bottlenecks.
• Quantify the Impact: Use the collected data to determine the scale of the problem. How much time or resource is lost at each bottleneck? What is the cumulative effect?
• Identify the 'Seven Wastes' (Lean Methodology):
  • Transport: Unnecessary movement of patients, materials, or information.
  • Inventory: Excess supplies, equipment, or patients waiting.
  • Motion: Unnecessary movement by staff.
  • Waiting: Delays for patients, staff, or processes.
  • Overproduction: Doing more than is immediately needed.
  • Over-processing: Adding more value than required by the customer/patient.
  • Defects: Rework or errors that require correction.
• Root Cause Analysis: For each identified problem, ask 'why?' five times to get to the underlying cause, not just the symptom.

4. Develop Solutions and Plan Implementation

• Brainstorm Solutions: Involve the multidisciplinary team to generate ideas for addressing bottlenecks and waste. Encourage creative thinking.
• Prioritise Interventions: Use criteria such as impact, feasibility, cost, and time to implement. Focus on 'quick wins' that build momentum, alongside larger systemic changes.
• Develop a Detailed Action Plan: For each solution, specify who will do what, by when, and how success will be measured. Consider pilots and phased implementation.
• Consider Technological Solutions: Digital tools for scheduling, patient tracking, remote monitoring, or task management can often unlock significant capacity.

5. Implement, Monitor, and Sustain

• Implement Changes: Execute the action plan, providing necessary training and support to staff.
• Monitor Progress: Regularly track your chosen metrics. Are you seeing the desired improvements? Use run charts or control charts to visualise changes over time.
• Adjust and Adapt: Not all solutions will work perfectly first time. Be prepared to iterate and refine based on feedback and data.
• Sustain Gains: Embed new ways of working into standard operating procedures, policies, and staff training. Share successes and recognise efforts.
• Spread and Scale: Once successful in one area, consider how the improvements can be applied to other services or pathways across the organisation.

Example in clinical practice: Optimising theatre utilisation

Consider a busy general surgical department struggling with long waiting lists and limited theatre time. A quality improvement project team, including surgeons, anaesthetists, theatre nurses, and porters, is formed.

1. Scope: Improve theatre utilisation and reduce patient waiting list for elective general surgery.
2. Current State: Data analysis reveals that theatre lists often start late, there's significant 'gap time' between cases, and lists finish early. Process mapping shows delays in patient arrival from wards, gaps in equipment availability, and slow theatre clean-down and setup times between cases. Surgical team members often arrive at different times.
3. Bottlenecks/Waste: Identified as:
   • Waiting: Patients waiting for transport, surgeons waiting for anaesthetists, equipment waiting for sterilisation.
   • Motion: Staff walking long distances to retrieve equipment.
   • Defects: Incomplete paperwork causing delays.
   • Over-processing: Theatre cleaning taking longer than necessary.
4. Solutions:
   • Pre-theatre huddle: Daily huddle for theatre staff, surgeons, and anaesthetists to confirm patient readiness, equipment needs, and potential issues for the day.
   • Dedicated theatre portering: Ensuring patients are transferred to theatre efficiently and on time.
   • Standardised theatre setup: Creating 'kit lists' for common procedures and ensuring equipment is pre-prepared.
   • Accelerated cleaning protocol: Training and new equipment for quicker, yet thorough, theatre clean-down.
   • Role definition: Clarifying roles and responsibilities for all staff involved in the theatre pathway to minimise duplication and gaps.
5. Implementation & Monitoring: The team implements these changes, tracking theatre start times, turnover times between cases, and total theatre utilisation (percentage of available time used for surgery). They see a progressive reduction in turnover time and an increase in the number of cases completed per theatre session, leading to a demonstrable reduction in the waiting list. Local validation confirms that 0.5 additional cases per theatre day are safely and effectively accommodated.

This resource supports, but does not replace, clinical judgement. Local policy, formulary and specialist advice should be followed.

How Lazomis can help

Lazomis provides a structured platform to support your journey in identifying and unlocking hidden capacity. Our tools facilitate:

• Project Setup and Management: Organise your QI project, define aims, assign tasks, and track progress against your capacity-related objectives.
• Data Collection and Visualisation: Easily collect and collate relevant data, from waiting times to resource utilisation, and visualise trends with customisable dashboards and run charts to pinpoint bottlenecks and measure impact.
• Process Mapping Tools: Use integrated features to map current state processes, identify areas of waste, and design future state workflows.
• Reporting and Sharing: Generate comprehensive reports to communicate findings, justify interventions, and demonstrate the tangible benefits of unlocking hidden capacity to stakeholders and governance bodies.

By centralising your improvement work, Lazomis helps teams to maintain focus, share insights, and ensure that capacity gains are sustained and embedded within organisational practice.

Key takeaways