Lymphoblasts More Than 50 Percent of Bone Marrow Nucleated Cells

**Semantic type:** Laboratory or Test Result

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

**Synonyms:** - Lymphoblasts Greater than 50 Percent of Bone Marrow Nucleated Cells - Lymphoblasts Over 50 Percent of Bone Marrow Nucleated Cells