Need to Identify Your Value Streams? Take a Trip around Manhattan.
Lean practitioners must properly identify product families in order to value stream map a given family’s flow of material and information. That’s very important, but not always simple.
In order to illustrate how to identify product families and thus value streams, consider the following example. Three different patient groups go to a hospital. The treatment for patient groups 1 and 2 consists of three steps A, B, and C. However, the treatment for patient group 3 consists of only step D.