Immunoglobulin M Positive Memory Switched B-Lymphocyte to Memory Switched B-Lymphocyte Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of IgM positive class-switched memory B-Lymphocytes to class-switched memory B-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - B-Lymphocytes Memory Switched IgM+/B-Lymphocytes Memory Switched - BLym Mem Sw IgM+/BLym Mem Sw - BLym Mem Sw IgM+/BLym Mem Sw - BMSMBMS - Immunoglobulin M Positive Memory Switched B-Lymphocytes to Memory Switched B-Lymphocytes Ratio Measurement