Neoplastic Plasma Cells 5 Percent or More of Peripheral Blood White Cells

**Semantic type:** Laboratory or Test Result

**Definition:** A semi-quantitative microscopic finding indicating that at least 5 percent of the leukocytes in a peripheral blood sample are neoplastic plasma cells.

**Synonyms:** - Circulating Plasma Cells 5 Percent or More of Peripheral Blood White Cells - Circulating Plasma Cells 5 Percent or More of Peripheral Blood White Cells - Circulating Plasma Cells Greater than or Equal to 5 Percent of Peripheral Blood White Cells - Neoplastic Plasma Cells Greater than or Equal to 5 of Peripheral Blood White Cells