CNS 2c

**Semantic type:** Classification

**Definition:** The status of central nervous system leukemia at diagnosis, where there are 10 or more red blood cells and 5 or more white blood cells per microliter on a cerebral spinal fluid cytospin preparation that is positive for blasts and is considered negative by Steinherz/Bleyer algorithm.

**Synonyms:** - CNS2c - CNS2c