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Lean Six Sigma Process

Everything! Any activity, process or procedure that transforms a number of input (s) into a number of output (s).


VOP = Voice of Process
VOB = Voice of Business
VOC = Voice of Customer

Non-Value-Added/  Value-Added Analysis (NVAA)



Example 1: Processing a lab test 
This example focuses on the process of taking a blood sample and generating a lab report. 

Inputs (
Xcap X
) 
These are the resources and information required to perform the process. 
  • Patient information: Demographics, medical history, and specific test orders from the physician.
  • Physical resources: Sterile syringes, needles, collection tubes, labeling materials, and the lab's analytical equipment.
  • Personnel: Trained phlebotomists to draw the blood, lab technicians to analyze the sample, and pathologists to verify the results.
  • Procedures: Standard operating procedures (SOPs) for blood collection, handling, analysis, and quality control. 
Process (
ff
) 
This is the series of steps that transforms the inputs into the desired output. 
  • Patient registration and sample collection: Patient arrives, verifies their identity, and a blood sample is drawn.
  • Sample preparation: The blood sample is labeled correctly and prepared for transport to the lab.
  • Analysis: The lab technician uses specialized equipment to perform the required tests on the blood sample.
  • Result interpretation: A qualified pathologist reviews the results, noting any abnormalities.
  • Report generation: The final report is compiled and delivered to the requesting physician and patient. 
Outputs (
Ycap Y
) 
This is the product or service delivered by the process. 
  • Accurate lab report: A document containing the patient's test results, verified by a pathologist.
  • Timely delivery: The report is provided within the expected turnaround time.
  • Patient satisfaction: The patient has a positive experience during the collection process and receives their results in a timely manner. 

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