Blasts 50 Percent or Less of Bone Marrow Nucleated Cells

**Semantic type:** Laboratory or Test Result

**Definition:** A semi-quantitative microscopic finding indicating that 50 percent or less of the nucleated cells in a bone marrow sample are immature mononuclear cells.

**Synonyms:** - Blasts Less than or Equal to 50 Percent of Bone Marrow Nucleated Cells