Quality Control (Online CE Course)

(based on 1,038 customer ratings)

Author: Garland E. Pendergraph, PhD, JD, MLS(ASCP)SM, HCLD/CC(ABB)
Reviewer: Barbara Cebulski, MS, MLS(ASCP)CM; Alex Casapu, MBA, MLS(ASCP)CM

Quality Control is a comprehensive course in QC terminology, practices, statistics, and troubleshooting for the clinical laboratory. Designed for those who have little or no experience with quality control but need a firm grounding, this course will help all students quickly and easily identify and correct errors in quality control procedures. Concepts covered include: running assayed and unassayed controls, specificity, sensitivity, Westgard rules, Levey-Jennings charts, Youden plots, and CUSUM calculations. MediaLab also offers an "Introduction to Quality Control" course to complement the more detailed and thorough presentation in this course.

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Continuing Education Credits

P.A.C.E.® Contact Hours (acceptable for AMT, ASCP, and state recertification): 2 hour(s)
Course number 578-087-16, approved through 11/30/2018
Florida Board of Clinical Laboratory Personnel Credit Hours - Supervision/Administration, Quality Control/Quality Assurance, and Safety: 2 hour(s)
Course number 20-547877, approved through 9/1/2018

Objectives

  • Define terms associated with statistical quality control.
  • Explain quality control graphical tools, including Gaussian curves, Levey-Jennings charts, CUSUM calculations, and Youden plots.
  • Detail Westgard rules used to identify QC problems.
  • Provide practical examples of QC in laboratory environments.
  • Give suggestions for troubleshooting quality control errors.

Customer Ratings

(based on 1,038 customer ratings)

Course Outline

Click on the links below to preview selected pages from this course.
  • Definition of Quality Control
      • What is Quality Control?
  • Important Concepts in Quality Control
    • Controls
    • Precision and Accuracy
      • Aiming for the Target
      • Closer, but not Quite
      • Bull's-eye!
      • An assayed glucose control produces the following results in 10 runs: 99, 99, 99, 98, 98, 98, 98, 97, 97, 97. The established range for this control i...
    • Specificity
    • Sensitivity
    • Random and Systematic Error
      • Types of Error
      • Random Error
      • Systematic Error
      • Indicate which of the problems in the list below are more likely to be random errors or systematic errors.
    • Internal and External Quality Control
    • Reference Ranges
      • Reference Ranges
  • Quality Control Procedures, Documentation and Interpretation
    • Basic Terms
      • Mean
      • Histograms
      • Standard Deviation
      • Acceptable Standard Deviation (SD)
      • Establishing Quality Control Limits
      • In a normal distribution, approximately what percent of data would be more than +/- 3 standard deviations (SD) from the mean?
    • Levey-Jennings Chart
    • Westgard Rules
      • Using Westgard Rules
      • Westgard Rule 13S
      • Westgard Rule 22S
      • Westgard Rule 41s
      • Westgard Rule R4s
      • The Levey-Jennings charts on the right represent two levels of control for an analyte. Do they show acceptable quality control results?
      • Does the Levey-Jennings chart to the right show acceptable quality control results?
      • Trends
      • Shifts
    • Cumulative Summation Limit
    • Youden Plot
      • What is a Youden Plot?
      • Using a Youden Plot
      • In the accompanying Youden plot, what conclusions can be drawn about the data?
  • Systematic Troubleshooting
  • Establishment of Verification of Method Performance Specifications
  • References
      • References

Additional Information

Level of instruction: Intermediate

Intended Audience: Medical Laboratory Scientists, Medical Technologists, and Medical Laboratory Technicians, Clinical Laboratory Science students.

Author: Garland E. Pendergraph, PhD, JD, MLS(ASCP)SM, HCLD/CC(ABB) is Laboratory Director & Director of Laboratory Operations, Quest Diagnostics-Valdosta RRL. Dr. Pendergraph is the laboratory director for Quest Diagnostics in Valdosta, GA and Miller County Hospital in Colquitt, GA. Dr. Pendergraph received his MSPH from the University of Kentucky in Lexington, his PhD in medical parasitology and mycology from the University of  North Carolina in Chapel Hill and his law degree with a concentration in health care law from Concord Law School, Kaplan University. He also did a Fellowship in Tropical Medicine at Louisiana State University School of Medicine. He is the author of a textbook in phlebotomy, a number of scientific articles, plus internet training programs. Dr. Pendergraph serves on the advisory committee for medical technology program at Thomas University. He is licensed as a laboratory director in the States of Georgia and Florida.
Reviewer: Barbara Cebulski, MS, MLS(ASCP)CM is a program director for MediaLab, Inc., responsible for the development of continuing education and competency assessment courses for laboratory professionals. Prior to 2007, Ms. Cebulski was an Inspection Specialist in the Laboratory Accreditation Program for the College of American Pathologists (CAP). During this time, she also presented on behalf of CAP at Inspector Training seminars and Point-of-Care Group conferences. In her career as a medical technologist, she has held management and supervisory positions. Barbara holds a Masters degree in Instructional Design and Technology from Georgia State University.

Reviewer: Alex Casapu, MBA, MLS(ASCP)CM, has over 17 years of experience as a medical laboratory scientist, section supervisor, and laboratory manager. He is the former Director of Clinical Laboratory Technology Program at Georgia Piedmont Technical College. He is currently a Program Director at MediaLab, Inc. Alex holds BS degrees in Biology and Medical Technology from Clark Atlanta University and a MBA from the University of Georgia.

Course Information: This course provides important concepts in quality control that are useful to laboratory personnel who

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