Double-Negative B-Lymphocyte Subpopulation Count

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the amount of a sub-population of double-negative B-lymphocytes (B-lymphocytes that are both CD27 negative and IgD negative) present in a sample.

**Synonyms:** - B-Lymphocytes Double Negative Sub-Population - BDNS - BLym DN Sub - BLym Dbl Neg Sub - BLym Dbl Neg Sub - BLym Double Neg Sub