CD5-Positive Blast Cells Greater than 50 Percent

**Semantic type:** Laboratory or Test Result

**Definition:** A semi-quantitative microscopic finding indicating that more than 50% of the immature blood cells in a sample express CD5.

**Synonyms:** - >50% CD5 Positive Blasts - >50% CD5-Positive Blasts - CD5 Positive Blast Cells Greater than 50 Percent - Greater than 50 Percent CD5 Positive Blasts - Greater than 50 Percent CD5-Positive Blasts - Greater than 50% CD5 Positive Blasts - Greater than 50% CD5-Positive Blasts