CD20B - Overview: CD20 on B Cells, Blood

Evaluation of patients with a suspected CD19 deficiency (humoral immunodeficiency) Confirming complete absence of B cells in suspected primary humoral immunodeficiencies using both CD19 and CD20 markers Assessing therapeutic B-cell...

IABCS - Overview: B-Cell Phenotyping Profile for Immunodeficiency and Immune Competence Assessment, Blood

Screening for common variable immunodeficiency and hyper-IgM syndromes Assessing B-cell subset reconstitution after stem cell or bone marrow transplant Assessing response to B-cell-depleting immunotherapy This test is not indicated...