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. 2012 Jan;18(1):57–62. doi: 10.3201/eid1801.101485

Table. Lean methods used to improve laboratory workflow.

Method Definition
Kaizen The incremental, ongoing improvement process aimed at creating efficiencies and improving all functions. Productivity increases are attributed to eliminating waste in the system and having all staff participate in the process.
Value stream mapping A technique used to identify the materials and information required in each step of a process to deliver a product to a consumer
Andon A visual cue used to monitor functions and to notify workers of a quality or process issue
5S The process of sorting, storing, sweeping, sustaining, and standardizing, which results in a visually managed environment that allows staff to perform tasks more efficiently