Double-Negative T-Lymphocyte to T-Lymphocyte Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of double-negative T-lymphocytes to T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - T-Lymphocytes Double Negative/T-Lymphocytes - TDNTLY - TLym DN/TLym - TLym Dbl Neg/TLym - TLym Dbl Neg/TLym