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, 2021, after this date this activity is only accessible by an online credit card payment.
This activity highlights the impact of preanalytical variables on prothrombin time (PT) and activated partial thromboplastin time (aPTT) testing and role of these tests in preoperative evaluation. To help pathologists in their consultative role, a practical algorithm for interpretation of mixing studies for prolonged PT and aPTT is provided along with an overview of vitamin K deficiency, coagulopathy of liver disease, and disseminated intravascular coagulation.
This clinical pathology activity is intended for pathologists.
After completing this activity, you should be able to:
- Describe preanalytical variables that affect prothrombin time (PT) and activated partial thromboplastin time (aPTT).
- Recognize professional organization guidelines regarding coagulation screening tests in the preoperative setting.
- List causes of prolonged PT and aPTT and understand the role of mixing studies in the differential diagnosis.
- Differentiate between vitamin K deficiency, disseminated intravascular coagulation (DIC), and coagulopathy of liver disease.
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.
You must answer the assessment questions and complete the evaluation to claim credit and print your certificate.
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
firstname.lastname@example.org or fax at 847-832-8006.
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CAP Learning has recognized that some Veteran’s Administration, US Government, and military participants may have difficulty accessing the online assessment portion of this activity. If you experience difficulty or have any questions, please contact a representative of the CAP Learning Division at 800-323-4040 option 1 or email@example.com.
This activity and evaluation are available August 16, 2021, and expire August 15 2024, at 12:00 AM (ET). You must claim credit by this date and time.