Immunohematology and Genetic Testing (red cells, leukocytes and platelets)

(P-IG-1) Estimating Serological Underdetection Rates of Patients with Weak and Weak Partial RHD Genotypes

(P-IG-2) N Antigen Discrepancy Between Serologic and DNA Testing Explained by the Hybrid GYP(B-A-B) Allele Encoding the GP.Mur Phenotype

(P-IG-3) Prevalence of the Mia Antigen in a Multi-Ethnic Donor Population

(P-IG-4) Soluble A Antigen Confounding Blood Type in an ABO Mismatched Stem Cell Transplant Patient: A Case Report

(P-IG-5) A Case of Dyserythropoietic Anemia with a Positive Modified Acid Hemolysis Test

(P-IG-6) A Rare Case of Anti-P in a Twin Pregnancy

(P-IG-7) A Retrospective Analysis of Results for Direct Antiglobulin Test-Negative Investigations Over Two Years

(P-IG-8) ABO Typing Masked by Disease, Resolved with Sequencing

(P-IG-9) Analysing the Prevalence of Extended Rh Blood Group Antigens Within Australian Blood Donors

(P-IG-10) Anti-IB in an A1B Patient With Rectal Cancer

(P-IG-11) Apparent RHCE phenotype discrepancy in a mother and child due to a shared RHCE*CE-D(3-9)-CE allele

(P-IG-12) Are Compound Heterozygous Partial D Individuals at risk for allo-anti-D?

(P-IG-13) Breakpoint Regions of an RHD-CE(4-9)-D Allele Expressing a C Antigen and a Rare JK Allele in a Pacific Islander Individual

(P-IG-14) Clinical Significance and Prevalence of Variant JK Alleles among Asian and Hispanic Patients with Suspected Auto- vs Allo-Anti-JK Antibodies

(P-IG-15) Comparison of Conventional Tube Test and a Novel Gel Method to Detect C3d in the Direct Antiglobulin Test

(P-IG-16) Delayed Hemolytic Transfusion Reaction Spurs Re-Evaluation of 2-Cell Screen

(P-IG-17) Detection Of Anti-E Following E antigen negative RBC Transfusion

(P-IG-18) Donor with McLeod Phenotype carries XK allele with nonsense variant c.664C>T (p.R222X)

(P-IG-19) Evaluation of Antigen Screening Process and Contributions to National Program

(P-IG-20) Evaluation of High Density DNA Array Genotyping on African Ancestry Samples

(P-IG-21) Evaluation of multiplex blood group system genotype based on high-throughput exome capture NGS technology

(P-IG-22) First Reported Case of Famotidine-induced Immune Hemolytic Anemia

(P-IG-23) Identification of a Novel B(972T) Allele in a Blood Donor Associated with B(A) Phenotype

(P-IG-24) Immune-Mediated Platelet Transfusion Refractoriness Complicated by Panagglutinin and Prozone Effect: A Case Report

(P-IG-25) Implementation of a Molecular Genotyping Protocol for Patients with Warm Autoantibodies

(P-IG-26) Importance of prenatal transfusion work-up: A case of anti-e and anti-Rh17 in a pregnancy complicated by hemolytic disease of the fetus and newborn

(P-IG-27) Investigation of Four Patient Samples with Weak D Typing Revealed Four Novel RHD Alleles

(P-IG-28) JK Exon 4 Mutation Results in a Lack of Antigen Expression on Red Blood Cells

(P-IG-29) JK*B allele with c.510del (p.Lys170fs) associated with null phenotype and anti-Jk3

(P-IG-30) Management of a Sickle Cell Disease Patient With Multiple Alloantibodies in Preparation for a Bone Marrow Transplant

(P-IG-31) Modernization of Phenotyping Using Gel Technology with Ongoing Validation Process

(P-IG-32) Molecular Matching of RH Blood Group in Sickle Cell Disease: A Case Series

(P-IG-33) More is more until it isn’t anymore: biphasic risk of RBC alloimmunization after a massive resuscitation

(P-IG-34) Novel FUT1 variant c.789C>A in patient with para-Bombay phenotype and evaluation by protein modeling

(P-IG-35) Our Experience in Using A1 Lectin for Solid Organ Transplant Triaging Between Group A1 and Non-Group A1 Donors

(P-IG-36) Performance Evaluation of the Integrated Antibody Identification Software IH-AbID

(P-IG-37) Repurposing NESTROFT/Pink Reagents by Optical Microplate Standardization for Optimal Differential Lysis Phenotyping of Transfused Thalassemia & Simulation Mixes

(P-IG-38) Rh Immune Globulin Serologically Detected Within Minutes or Hours After Intramuscular Administration

(P-IG-39) RHD*DEL44 [RHD-CE(4-9)-D] is associated with lack of RhD antigen and expression of altered C antigen

(P-IG-40) Sickle Cell Disease Is the Predominant Driver of White Blood Cell Count and Alloimmunization in Duffy Null Patients

(P-IG-41) Sickle Trait Prevalence Among The RBC Units Used In a Pediatric Hospital In Costa Rica Between May And October 2019

(P-IG-42) Solid Phase Red Cell Adherence Assay Identifies Clinically Significant Erythrocyte Antibodies Missed By Alternative Serologic Methods

(P-IG-43) Targeted Sequencing Resolves ABO Discrepancy in a Patient with Rare ABO Genotype

(P-IG-44) The Relationship Between ABO RH Blood Type and SARS-CoV-2 Infection in a Single State Multicenter Cohort

(P-IG-45) The RHAG*01N.26 Variant does not Lead to Rh-null but to Rh-mod Phenotype: The Importance of Absorption and Elusion Assays

(P-IG-46) Weak and Partial D Genotype Frequencies in a Large Integrated Healthcare Delivery System in the USA