CD33 Negative

**Semantic type:** Finding

**Definition:** An indication that CD33 expression has not been detected in a sample.

**Synonyms:** - CD33 Antigen Negative - CD33 Molecule Negative - Myeloid Cell Surface Antigen CD33 Negative - SIGLEC-3 Negative - SIGLEC3 Negative - gp67 Negative - p67 Negative