DiscoverBBGuy Podcast Archives - Blood Bank Guy090CE: RHD Genotyping; We Can Do Better! with Sue Johnson
090CE: RHD Genotyping; We Can Do Better! with Sue Johnson

090CE: RHD Genotyping; We Can Do Better! with Sue Johnson

Update: 2021-05-19
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Continuing Education Episode!




Continuing Education!




An expert panel’s 6-year-old recommendations on RHD genotyping are not quite being used as intended. Let’s learn how we can do better!

























Sue Johnson RHD genotyping

Sue Johnson MSTM, MT(ASCP)SBB

Despite guidance in a 2015 publication from international experts in immunohematology and transfusion medicine (covered on this podcast in 2016), many clinicians and laboratorians have yet to integrate RHD genotyping into routine practice when a patient’s RhD serologic typing is weaker than expected (we call that “serologic weak D“). Further, we now have additional information on the safety of transfusing D-positive red blood cells to those with weak D types 4.0 and 4.1, so an update to the previous recommendations is essential.


Sue is Back!


In this interview, my dear friend Sue Johnson, one of the authors of the updated recommendations published in 2020, will address challenges laboratories and clinicians have faced in implementing the 2015 recommendations, outline the potential advantages to RHD genotyping, and summarize the updated recommendations.


This interview was recorded LIVE at an educational seminar jointly sponsored by the California Blood Bank Society and LifeStream Blood Bank. It is presented with minimal edits so you can experience it the way it happened. My thanks to both organizations for permission to use the recording.





Sue Johnson RHD genotyping

Sue Johnson MSTM, MT(ASCP)SBB

Despite guidance in a 2015 publication from international experts in immunohematology and transfusion medicine (covered on this podcast in 2016), many clinicians and laboratorians have yet to integrate RHD genotyping into routine practice when a patient’s RhD serologic typing is weaker than expected (we call that “serologic weak D“). Further, we now have additional information on the safety of transfusing D-positive red blood cells to those with weak D types 4.0 and 4.1, so an update to the previous recommendations is essential.


Sue is Back!


In this interview, my dear friend Sue Johnson, one of the authors of the updated recommendations published in 2020, will address challenges laboratories and clinicians have faced in implementing the 2015 recommendations, outline the potential advantages to RHD genotyping, and summarize the updated recommendations.


This interview was recorded LIVE at an educational seminar jointly sponsored by the California Blood Bank Society and LifeStream Blood Bank. It is presented with minimal edits so you can experience it the way it happened. My thanks to both organizations for permission to use the recording.










About My Guest:


Sue Johnson, MSTM, MT(ASCP)SBBCM is the Director of Clinical Education at Versiti | Blood Center of Wisconsin. She also is the director of the Specialist in Blood Banking Program at Versiti and the Transfusion Medicine Program at Marquette University. Sue is Associate Director of the Indian Immunohematology Initiative, a program designed to improve general immunohematology knowledge in South Asia. She is a sought-after speaker and world-class immunohematology expert.













FREE Continuing Education!


This podcast episode offers a FREE continuing education activity where you can earn the following types of credit: 1 AMA PRA Category 1 CreditTM, 1 ASCLS P.A.C.E.® Contact Hour (including Florida Clinical Laboratory Credit), and American Board of Pathology Self-Assessment Modules (SAMs) for Continuing Certification (CC, formerly MOC). The continuing education offering expires two years from the date this episode is released.


To receive credit and review the accreditation information and related disclosures, please visit Transfusion News Continuing Education on Wiley Health Learning.













DISCLAIMER: The opinions expressed on this episode are those of my guest and I alone, and do not reflect those of the organizations with which either of us is affiliated. Neither Sue nor I have any relevant financial disclosures.


The images below are generously provided by Sue Johnson.






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090CE: RHD Genotyping; We Can Do Better! with Sue Johnson

090CE: RHD Genotyping; We Can Do Better! with Sue Johnson

Joe Chaffin