Home Products Most Popular Contact
No items in your cart.
The page below is a sample from the LabCE course ABO Typing Discrepancies. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about ABO Typing Discrepancies (online CE course) »
How to Subscribe
MLS & MLT Comprehensive CE Package
Includes 129 CE courses, most popular
$95 Add to cart
Pick Your Courses
Up to 8 CE hours
$50 Add to cart
Individual course$20 Add to cart

ABO Groups and Frequencies

ABO group frequencies vary according to ethnicity. This will be an important fact to consider when working through ABO discrepancy resolution. The table below delineates frequencies of ABO occurrences according to ethnic groups.

Asian 40% 28% 25% 7%
Black 51% 26% 19% 4%
Caucasian 45% 40% 11% 4%
Hispanic 57% 31% 10% 2%
Statistical information from the Red Cross. Available at: http://www.redcrossblood.org/learn-about-blood/blood-types. Accessed July 31, 2019.
Aside: 80% of A individuals are A1, while approximately 20% of A individuals are A2. The same percentages apply to AB individuals; 80% of AB individuals are A1B, while 20% of AB individuals are A2B.