Abnormal total B cell count

What it means

The absolute number of B cells in the blood, per microlitre is outside the limits of normal of the reference range for the appropriate sex and age-group.

B cells are commonly characterized as CD19+ or CD20+ lymphocytes.

Rare diseases that can present with this2

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Abnormal B cell count · Abnormal number of B cells · Abnormal numbers of B cells · Abnormality of B cell count · Abnormality of B cell numbers