Cytotoxic T Lymphocyte to Total Blood Cell Percent Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The measurement of the ratio of cytotoxic T lymphocytes, which are T lymphocytes that express CD8, to the total number of blood cells in a sample expressed as a percent value.

**Synonyms:** - % CD8+ T Cells - CD8 Expressing T Cell to Total Blood Cell Percent Measurement - CD8 Expressing T Lymphocyte to Total Blood Cell Percent Measurement - CD8 Positive T Cell to Total Blood Cell Percent Measurement - Cytotoxic T Cell to Total Blood Cell Percent Measurement - Percent CD8+ T Cells