PD-L1 Expression 1-49 Percent

**Semantic type:** Laboratory or Test Result

**Definition:** An immunohistochemical finding indicating that at least 1 percent and at most 49 percent of the cells in a sample are expressing PD-L1.

**Synonyms:** - B7 Homolog 1 Expression 1-49 Percent - B7-H1 Expression 1-49 Percent - B7H1 Expression 1-49 Percent - CD274 Antigen Expression 1-49 Percent - CD274 Expression 1-49 Percent - CD274 Molecule Expression 1-49 Percent - PD-L1 1-49 Percent - PD-L1 Expression 1-49% - PD-L1 Expression Greater than or Equal to 1 Percent and Less than or Equal to 49 Percent - PDCD1 Ligand 1 Expression 1-49 Percent - PDCD1L1 Expression 1-49 Percent - PDCD1LG1 Expression 1-49 Percent - PDL1 Expression 1-49 Percent - Programmed Cell Death 1 Ligand 1 Expression 1-49 Percent - Programmed Death Ligand 1 Expression 1-49 Percent