| mRNA IDs | Primary Information | |
| NM_001770.4 | Gene Symbol | CD19 |
| Protein Name | Cd19 molecule | |
| Alternate Names | B4, MGC12802 | |
| Gene Locus | 16p11.2 | |
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| Disease name | Characteristic / Associated features | Category | inheritance type |
| CD19 deficiency | Increased susceptibility to infection; Panhypogammaglobulinemia; Small to normal size lymphoid secondary follicles; CD19 decreased to absent; CD21 decreased; Normal numbers of mature B cells; decreased CD5+ B cells; decreased CD27+ memory B cells; sinusitis; otitis; bronchitis; lack of antibody production in response to vaccination | Predominantly antibody deficiencies | Autosomal recessive |