Do You Need a LIMS?

Choosing the right informatics system is one of the most critical decisions a lab can make. For many labs, the default choice is a Laboratory Information Management System (LIMS). However, there are situations where a Laboratory Execution System (LES) might be a better fit—or a necessary addition to the LIMS.
LES and LIMS serve different but complementary purposes. A LIMS excels at managing samples, data, and inventory, while an LES focuses on guiding lab users through detailed workflows and enforcing Standard Operating Procedures (SOPs). Here’s how to decide when an LES makes sense for your lab.
Interested in other lab informatics system acronyms? Check out my article on the informatics alphabet soup.
When an LES Might Be the Right Choice
1. Heavy Focus on SOP Enforcement
- Scenario: Your lab needs to ensure strict compliance with SOPs, especially in regulated environments like pharmaceuticals or biomanufacturing.
- Why LES: LES guides users step-by-step through predefined workflows, reducing the risk of procedural errors and ensuring processes are executed consistently.
2. Paperless Laboratory Initiatives
- Scenario: Your lab wants to eliminate paper-based processes, including worksheets and batch records, to improve efficiency and reduce errors.
- Why LES: LES digitizes manual workflows, capturing execution data in real time and creating a fully paperless environment.
3. Complex Analytical or Manufacturing Workflows
- Scenario: Your lab handles detailed, multi-step workflows that require precise timing, reagent handling, or instrument usage instructions.
- Why LES: LES breaks down complex workflows into specific, enforceable steps, reducing variability and ensuring accuracy.
4. High Compliance and Audit Requirements
- Scenario: Your lab operates in highly regulated industries (e.g., FDA, EMA, GMP), where audit trails and error-proof processes are essential.
- Why LES: LES systems are built with compliance in mind, offering detailed audit trails, electronic signatures, and deviation reporting.
5. Laboratory Focus on Execution Over Data Management
- Scenario: Your lab’s primary focus is executing workflows correctly rather than managing samples or analyzing data trends.
- Why LES: LES prioritizes task execution and workflow guidance, making it the better choice when execution is the lab’s main priority.
6. Integration with Manufacturing Execution Systems (MES)
- Scenario: Your lab needs to align closely with broader production processes managed by an MES.
- Why LES: LES bridges the gap between lab workflows and manufacturing processes, integrating seamlessly with MES systems.
7. Training and Knowledge Retention
- Scenario: Your lab has high staff turnover or frequently hires new employees who need guidance on SOPs.
- Why LES: LES provides detailed step-by-step instructions during execution, ensuring procedural consistency even with inexperienced staff.
8. Preference for Low-Code Workflow Configuration
- Scenario: Your lab needs a system that can be quickly reconfigured by non-technical staff to adapt to changing processes.
- Why LES: Many modern LES platforms feature low-code or no-code tools, making it easy to update workflows without requiring developers.
Questions to Ask Yourself to Determine If You Need LES, LIMS, or Both
Choosing between an LES, a LIMS, or both requires a thorough understanding of your lab’s needs. Use these questions to guide your decision:
- What is the primary focus of your lab?
- For data and sample management, prioritize a LIMS.
- For workflow execution and SOP enforcement, choose an LES.
- If you need both capabilities, consider deploying both LES and LIMS.
- Are your workflows complex or multi-step?
- For simple workflows, a LIMS may suffice.
- For complex, multi-step workflows, an LES provides better guidance and enforcement.
- How critical is SOP enforcement?
- If SOP adherence is essential, an LES is necessary.
- Does your lab operate in a highly regulated industry?
- High regulatory demands often require both systems to ensure compliance and data integrity.
- Are you aiming for a paperless lab?
- An LES can digitize execution tasks, while a LIMS handles digital sample tracking and reporting.
- How much training or guidance do your lab users need?
- High turnover or inexperience favors the detailed guidance provided by an LES.
- Does your lab need tight integration with manufacturing systems?
- Integration with MES or production workflows often calls for an LES.
8. Do you need flexibility in workflow configuration?
- Modern LES platforms often include low-code tools for adapting workflows.
9. What role does data management play in your lab?
- Data-heavy labs benefit from a LIMS, while execution-heavy labs need an LES.
Understanding your lab’s priorities is critical when deciding between an LES, a LIMS, or both. LES is indispensable for labs prioritizing workflow execution, SOP enforcement, and compliance, while LIMS is better suited for sample management and data integration.
By answering the key questions above, your lab can make an informed decision that balances operational efficiency with data management needs—whether that means investing in a LIMS, an LES, or a combination of both. The right choice will not only address your current needs but also support your lab’s long-term growth and success.