Neoplastic Plasma Cells More than 20 Percent of Bone Marrow Nucleated Cells

**Semantic type:** Laboratory or Test Result

**Definition:** A semi-quantitative microscopic finding indicating that more than 20 percent of the nucleated cells in a bone marrow sample are neoplastic plasma cells.

**Synonyms:** - Neoplastic Plasma Cells Greater than 20 Percent of Bone Marrow Nucleated Cells