PD-L1 Expression Greater than or Equal to 1 Percent

**Semantic type:** Laboratory or Test Result

**Definition:** An immunohistochemical finding indicating that at least 1 percent of the cells in a sample are expressing PD-L1.

**Synonyms:** - B7 Homolog 1 Expression Greater than or Equal to 1 Percent - B7-H1 Expression Greater than or Equal to 1 Percent - B7H1 Expression Greater than or Equal to 1 Percent - CD274 Antigen Expression Greater than or Equal to 1 Percent - CD274 Expression Greater than or Equal to 1 Percent - CD274 Greater than or Equal to 1 Percent - CD274 Molecule Expression Greater than or Equal to 1 Percent - PD-L1 Greater than or Equal to 1 Percent - PDCD1 Ligand 1 Expression Greater than or Equal to 1 Percent - PDCD1L1 Expression Greater than or Equal to 1 Percent - PDCD1LG1 Expression Greater than or Equal to 1 Percent - PDL1 Expression Greater than or Equal to 1 Percent - Programmed Cell Death 1 Ligand 1 Expression Greater than or Equal to 1 Percent - Programmed Death Ligand 1 Expression Greater than or Equal to 1 Percent