Please note: AABB reserves the right to make updates to this program.
Wednesday, September 1, 2027
2:00 - 3:00 PM Eastern Time
Program Number: 27EL-770
Director/Moderator: Lynsi Rahorst, MHPE, MLS(ASCP)SBBᴄᴍ, Director, Education & Training, New York Blood Center Enterprises, Kansas City, MO
Speaker: Nibal Harb, MS, SBB(ASCP)ᴄᴍ, Manager of Medical Technology Education, SBB Program Director, OneBlood, Inc., St. Petersburg, FL
This program will provide participants with a practical understanding of a selection of less common blood group systems through case studies and real-world examples. Attendees will review the relevance of different blood group systems in transfusion medicine while developing strategies for investigating complex antibody identification cases. The program will highlight common challenges encountered in serologic investigations and provide guidance on patient management considerations. Participants will also gain insight into the collaborative roles of blood bank professionals, reference laboratories, blood centers and clinicians in ensuring safe and effective transfusion support.
After participating in this educational activity, participants should be able to:
Registration includes access to both the live and on-demand version of this eCast.
If you are a facility interested in participating in this eCast, simply complete the Group Viewing registration form and AABB will provide detailed instructions to share with your team approximately one week prior to the live program (each team member to register for the program utilizing a promocode). For single viewers, simply click on the Register button below to register.
Please note: registration for the live eCast will close 1 hour prior to the eCast start time. If you register after this time, you will receive access to the on-demand eCast when it is available.
| Single Viewer | Register |
| Group Viewing | Register |
This activity is eligible for one (1.0) continuing education credit/contact hour for Physicians, California Nurses, California Lab Personnel, Florida Lab Personnel and General Participation credit. AABB reserves the right to reduce or increase the number of credits granted based on the final activity duration. For more information on each credit type please visit our Continuing Education Credits webpage.
There is no financial support for this activity.

In support of improving patient care, this activity has been planned and implemented by the Association for the Advancement of Blood & Biotherapies (AABB), which is jointly accredited by the Accreditation Council for Continuing Medical Education (ACCME), the Accreditation Council for Pharmacy Education (ACPE), and the American Nurses Credentialing Center (ANCC), to provide continuing education for the healthcare team.
Physicians (ACCME): AABB designates this live activity for a maximum of one (1.0) AMA PRA Category 1 CreditTM. AABB designates this enduring activity for a maximum of one (1.0) AMA PRA Category 1 CreditTM. Physicians should claim only the credit commensurate with the extent of their participation in the activity.
Claiming Credit
Live Activity - Upon completion of the live activity, you will receive instructions to complete your evaluation, which is necessary to claim credit and receive your certificate of attendance/completion (credit must be claimed by the date provided in the instructions). The evaluation can be found by logging into the AABB Education Platform.
Enduring Activity - Once the enduring (on-demand) program is available, you will receive instructions to access the AABB Education Platform. Upon completion of viewing the enduring activity, you will need to complete the evaluation, which is necessary to claim credit and receive your certificate of completion (credit must be claimed by the date provided in the AABB Education Platform).
Program & Credit Expiration Dates:
Disclosure Declaration
It is the policy of the Association for the Advancement of Blood & Biotherapies to ensure independence, balance, objectivity, and scientific rigor and integrity in all of its CE activities. Faculty must disclose to the participants any relationships with commercial companies whose primary business is producing, marketing, selling, re-selling, or distributing healthcare products used by or on patients. AABB has evaluated, identified, and mitigated any potential conflicts of interest through a rigorous content validation procedure, use of evidence-based data/research, and a multidisciplinary peer review process. The following information is for participant information only. It is not assumed that the presence of such relationships will have a negative impact on the presentations.
Disclosures for the planners of this event can be found here. Disclosures for the program faculty, peer reviewers, and AABB personnel are provided at the beginning of the program.
After working for several years in the Immunohematology Reference Laboratory at Community Blood Center in Kansas City, Lynsi Rahorst is now Director of Education and Training for New York Blood Center Enterprises. In this role, she supports training of laboratory staff and directs educational programs and content offered by NYBCe for the greater transfusion medicine community. She has served on multiple AABB committees, is an AABB IRL assessor, and participates in Spanish language initiatives in transfusion medicine education. Lynsi is passionate about educating and training the next generation of leaders in immunohematology and genomics.
Nibal Harb, MHA, SBB(ASCP)CM, is the Manager of Medical Technology Education and Program Director of the Specialist in Blood Bank Technology/Transfusion Medicine (SBBT/TM) Program at OneBlood, Inc. With more than 30 years of experience in transfusion medicine, blood banking, laboratory operations, and workforce development, she is dedicated to educating Medical Laboratory Science (MLS) students, Blood Bank Technology (BBT) students, pathology residents, transfusion medicine fellows, and SBBT/TM trainees. Prior to joining OneBlood, she served as Transfusion Medicine Manager at Johns Hopkins All Children's Hospital. Mrs. Harb also serves as Co-Chair of the Specialist in Blood Bank Technology Committee on Accreditation (CoA) under the Commission on Accreditation of Allied Health Education Programs (CAAHEP).