Diabetes: Diagnosis, Laboratory Testing, and the Current American Diabetes Association Guidelines (by LabCE)

2 P.A.C.E. contact hour(s)

(based on 1,287 customer ratings)

Authors: Mary Ellen Koenn, MS, MLS(ASCP)
Co-author and Reviewer: David J. Moffa, PhD, BCLD

Course provided by LabCE.

Diabetes is a national and international healthcare issue due to its high incidence and healthcare costs. The diabetic patient is at risk for many serious complications and may experience a diminished quality of life. This course will primarily focus on recommendations made by the American Diabetes Association (ADA) that are related to the diagnosis and monitoring of diabetes. Three case studies are followed throughout the course as laboratory tests are chosen that will lead to a probable diagnosis based on the recommendations of the ADA. Recommended tests for monitoring diabetic patients are also discussed.

See more courses in: Clinical Chemistry / Urinalysis / Toxicology

Included In These Course Packages

Continuing Education Credits

P.A.C.E.® Contact Hours (acceptable for AMT, ASCP, and state recertification): 2 hour(s)
Course number 578-046-20, approved through 5/31/2022
Florida Board of Clinical Laboratory Personnel Credit Hours - General (Clinical Chemistry/UA/Toxicology): 2 hour(s)
Course number 20-778854, approved through 9/1/2022


  • Define diabetes and differentiate between type 1 and type 2 diabetes.
  • Discuss gestational diabetes and other causes of diabetes.
  • Explain the role of the clinical laboratory in the diagnosis and monitoring diabetes.
  • Discuss the signs and symptoms of diabetes.
  • List the common ways to prevent, manage, and treat diabetes.
  • Identify clinical and laboratory criteria that indicates increased risk for diabetes.
  • List the current assays used to monitor diabetic patients.
  • Explain the recommendations made by the American Diabetes Association in regards to diagnosis and monitoring of diabetes.

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Course Outline

  • Overview of Diabetes: Definition and Facts
      • Organizations and Agencies
      • Diabetes: Definition
      • Diabetes: Facts
      • Diabetes: A Metabolic Disorder
  • Blood Glucose and Hormonal Control
      • Blood Glucose and Hormonal Control
      • Blood Glucose and Hormonal Control (continued)
      • Blood Glucose and Hormonal Control (continued)
  • Classification of Diabetes
      • The Four Clinical Classes of Diabetes
      • Type 1 Diabetes
      • Type 2 Diabetes
      • Type 2 Diabetes: Prediabetes
      • When is Diabetes Classified as Type 1 or Type 2?
      • Gestational Diabetes (GDM)
      • Diabetes Due to Other Causes
  • Risk, Complications, and Management of Diabetes
      • Signs and Symptoms of Diabetes
      • Risk Factors and Complications of Diabetes
      • Treatment and Management of Diabetes
      • Treatment and Management of Diabetes (continued)
  • Screening for Diabetes and Updated ADA Guidelines
      • American Diabetes Association (ADA) Guidelines: 2018 Update
      • ADA Guidelines: 2018 Update (continued)
      • ADA Guidelines: Criteria for Diabetes Diagnosis
      • ADA Testing Guidelines for Type 2 Diabetes and Prediabetes in Asymptomatic Adults
      • ADA Guidelines: Categories of Increased Risk for Diabetes (Prediabetes)
      • ADA Targets for Monitoring Glycemic Control (Hb A1c)
  • Laboratory Assays in Evaluating Diabetic Patients
      • Clinical Laboratory Testing
      • Blood Glucose Testing
      • Whole Blood Glucose Testing
      • Urine Glucose
      • Urinary Albumin and Testing for Microalbuminuria
      • Testing for Ketones
      • Insulin and C-Peptide
      • Insulin Antibodies
      • Glycated Proteins and Hb A1C
      • Hb A1C versus Blood Glucose Measurement
      • Fructosamine
      • Oral Glucose Tolerance Test (OGTT)
      • Continuous Glucose Monitoring (CGM)
  • Estimated Average Glucose (eAG)
      • Estimated Average Glucose
      • The Relationship Between Hb A1C and Estimated Average Glucose (eAG)
  • Case Studies in Diabetes
      • Case Studies
      • Case A
      • Case B
      • Case C
  • The Laboratory's Role in Diabetes
      • The Laboratory's Role in Diagnosis and Monitoring of Diabetes
  • References
      • References

Additional Information

Level of instruction: Intermediate

Intended Audience: Clinical laboratory technologists and technicians, and other health care personnel who have an interest in this subject matter. This course is also appropriate for clinical laboratory science students and pathology residents.
Author information: Mary Ellen Koenn, MS, MLS(ASCP) is an associate professor emeritus, West Virginia University School of Medicine, Medical Laboratory Science Program. During her career as a medical technologist and educator, she has been a laboratory supervisor and manager and has held several teaching positions. She is the author of numerous articles for laboratory publications and textbook chapters and is a frequent presenter at laboratory seminars and workshops. Ms. Koenn holds a Master of Science degree in Medical Technology.
Reviewer Information: David J. Moffa, PhD, BCLD, has over 30 years of experience in the healthcare industry as an executive manager, clinical laboratory director, and medical laboratory scientist. He is currently a technical consultant for Kentmere Healthcare, Wilmington, DE, and until his retirement, was the Regional Director for LabCorp, Inc. He holds a PhD in medical biochemistry from the School of Medicine, West Virginia University.

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