Trait
Increased total B cell count
The absolute number of B cells in the blood, per microlitre is above the upper limit of normal of the reference range for the appropriate sex and age-group.
Summary
- Also called
- B cell lymphocytosis, Increase in B cell count, Increase in B cell number, Increased number of B cells
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
Read the genes linked to Increased total B cell count, and the rest of your genome, with one test.
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Get my Genome Test12 genes linked to Increased total B cell count
Changes in these genes cause rare conditions in which Increased total B cell count is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.
| Gene | How often it is seen | Conditions |
|---|---|---|
| CARD11caspase recruitment domain family member 11 | Always | In 1 condition |
| IKBKGinhibitor of nuclear factor kappa B kinase regulatory subunit gamma | Always | In 2 conditions |
| IL27RAinterleukin 27 receptor subunit alpha | Always | In 1 condition |
| PRKCDprotein kinase C delta | Always | In 1 condition |
| PTPRCprotein tyrosine phosphatase receptor type C | Always | In 1 condition |
| CASP10caspase 10 | Often (30–79%) | In 2 conditions |
| FASFas cell surface death receptor | Often (30–79%) | In 1 condition |
| FASLGFas ligand | Often (30–79%) | In 1 condition |
| LYNLYN proto-oncogene, Src family tyrosine kinase | Often (30–79%) | In 1 condition |
| MAP3K14mitogen-activated protein kinase kinase kinase 14 | Often (30–79%) | In 1 condition |
| NCKAP1LNCK associated protein 1 like | Often (30–79%) | In 1 condition |
| NFKBIANFKB inhibitor alpha | Often (30–79%) | In 1 condition |
How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.
Broader traits
Where this comes from
- The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
- Data release 2026.10.16-c6eea6bf.
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