Genomics for the Global Good

NCBGG provides state-of-the-art molecular testing for donor centers and patients they serve.

National Center for Blood Group Genomics

RHCE Table

The purpose of the table is to document RHCE alleles that have been reported associated with a clinical presentation, be it altered antigen expression on the RBCs and/or antibody production in a patient.

Blog: Blood Experts

What We've Learned About Preventing Hemolytic Disease of the Fetus & Newborn

Our knowledge of HDFN has evolved over time. Now, RHD genotyping is improving how we prevent the disease.

Blood Experts Blog

How Effective Is RHD Genotyping in Management of Obstetrics Patients?

While relatively new, RHD genotyping has become an effective means of RhD classification without putting a financial burden on clinicians or healthcare facilities.

Blood Experts Blog

Which Patients Should be Tested With RHD Genotyping?

At this time, it may not be possible to perform RHD genotyping on all pregnant women and individuals receiving blood transfusions but is anticipated to be routine in the future. Currently, consider the following patient management tips.

Blood Experts Blog

What Are the Ethical Implications of Excessive RhIG Usage?

While RhIG has reduced morbidity and mortality due to HDFN, excessive and unnecessary use poses ethical concerns. Learn how RHD genotyping can help.


Testing Request Form

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RediLabâ„¢ and Redi-Kit Sample Shipping Program

Ship your patient samples in 4 easy steps.


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NCBGG provides the highest quality testing services for extended blood typing at lower cost for donor centers and the patients they serve to improve the practice of transfusion medicine, to develop the next generation of testing, and to train the next generation of leaders.

NCBGG Products & Services

Genomics Testing Services

DNA-based testing for extended blood typing for donors and patients

Comprehensive Antigen Profiles

Detailed red cell and platelet antigen profiles on patient and donor samples

Fetal and Neonatal

Testing, Treatment and Management Options, including RhD and K typing

Precise Match Blood Products

Precise Match products enhance patient care

Blood Experts Blog

Why Do Some Pregnant Women Type as Both Rh Positive & Rh Negative? Consistency is essential to quality healthcare, but current Rh typing methods are causing significant discrepancies that OB-GYNs need to address.