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Value Stream Mapping A Laboratory Tool. Laurie Peterson-Wright Colorado Department of Public Health and Environment Laboratory Services Division. What is VSM?. Follow a product’s production path from beginning to end.

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Value stream mapping a laboratory tool

Value Stream MappingA Laboratory Tool

Laurie Peterson-Wright

Colorado Department of Public Health and Environment

Laboratory Services Division


What is vsm
What is VSM?

Follow a product’s production path from beginning to end.

A visual representation of every process in the material and information flow.


What vsm is not
What VSM is not

  • Time Management

  • Prioritization

  • Workspace Organization


Benefits of vsm
Benefits of VSM

  • Create Value

  • Eliminate Waste

  • Reduce Lead Time

  • Reduce Total Costs


Why?

  • Meet the customers’ demand for a quality product at the time they need it and for a price they are willing to pay.

  • Create agile and efficient business processes

  • Manage total costs and ROI.


How?

  • Improve Quality

    • Understand customer expectation and requirements

    • Review process

    • Problem-solving

    • Performance Metrics


How?

  • Eliminate Waste

    • Overproduction

    • Waiting

    • Transport

    • Extra Processing

    • Inventory

    • Motion

    • Defects


How?

  • Reduce Lead Time

    • Cycle Time

    • Batch Delay

    • Process Delay


Current state
Current State

  • Highlights the connections among activities and information

  • Employees understand entire value stream not just a single function

  • Improve the decision-making process

  • Easily identify areas of waste



12 steps
12 steps

  • Order initiation

  • Order receipt

  • Sample kit preparation

  • Sample receipt

  • Accessioning

  • Temporary sample storage

  • Worklist generation


12 steps continued
12 steps continued

  • Sample preparation

  • Sample analysis

  • Data validation

  • Data interpretation

  • Reporting



Value
Value

  • Value added activities

    • Anything the customer is willing to pay for

    • Anything that changes the form fit or function of the sample

  • Non-value added activities

    • Defects

    • Excess processing



Analysis
Analysis

  • 239 hours spent on non-value added activities!

  • Only 13 hours were value added!



Analysis1
Analysis

  • 36 opportunities for improvement

  • Prioritized based on implementation time, customer centeredness, improved turnaround time, error reduction, efficiency, safety, work balance and cost.


Improvements
Improvements

  • Reducing analytical batch sizes and increasing the frequency of analyses

  • Middleware to interface instrumentation with the LIMS

  • Staggering shifts

  • Cross training analysts for reporting

  • Automation of manual analyses



Conclusion
Conclusion

  • Hard work (who wants to be non-value added?)

  • Diminishing returns sometimes “better beats best”

  • Strong management support

  • Willingness to change


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