THIS ACTIVITY REQUIRES CREDIT CARD PAYMENT. If you ordered this product in advance, click Learning Search to locate the activity.
To enroll in the series with one easy payment, or to enroll multiple participants from the same institution, call 800-323-4040 option 1. This option is only available until December 31, 2023, after this date this activity is only accessible by an online credit card payment.
The hemoglobin A1c (HgA1c) measurement reflects the average glucose concentration over the lifespan of an RBC; its primary use is to diagnose and monitor diabetes. The two major methodologies for HbA1c measurement can produce differing results in the presence of hemoglobinopathies. Factors that alter red cell lifespan will usually lead to HbA1c results that do not accurately reflect average glucose levels. This activity addresses the uses and limitations of HgA1c measurement, and the limitations of the methods commonly used in laboratories. By understanding uses and limitations of HbA1c measurements, pathologists will be prepared to help clinicians interpret confusing HgA1c results and select appropriate tests to monitor diabetes control for patients with underlying conditions.
This clinical pathology activity is intended for pathologists.
After completing this activity, you should be able to:
- Describe the methods used for measurement of hemoglobin A1c (HbA1c).
- Compare advantages and disadvantages of the methods used for HbA1c measurements.
- Describe the major uses for HbA1c testing.
- Recognize and mitigate situations when HbA1c may provide misleading results.
D. Robert Dufour, MD, FCAP, FAACC
William E. Winter, MD, DABCC, FCAP, FAACC
Clinical Pathology Improvement Program
Accreditation: The College of American Pathologists (CAP) is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.
CME Category 1: The College of American Pathologists designates this internet enduring material educational activity for a
maximum of 1.25
AMA PRA Category 1 Credit™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.
To pay with a check, print a copy of this page and send it with your check to the address below. You will be notified when your payment has been processed and you have been registered into the activity.
College of American Pathologists
325 Waukegan Road
Northfield, IL 60093-2750
Refunds will be handled on an exception basis. Please submit your request to the CAP in writing via email at
email@example.com or fax at 847-832-8006.
Pop-up blockers must be turned off.
The CAP recognizes that some Veteran’s Administration, US Government, and military participants may have difficulty accessing the online activity. If you experience difficulty or have any questions, please contact a representative of the Customer Contact Center at 800-323-4040 option 1 or firstname.lastname@example.org.
This activity and evaluation are available July 17, 2023, and expire July 16, 2026, at 11:59 PM (CT). Upon completion of the activity your credit will be awarded. Your certificate may be downloaded from your Transcript.