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PD-L1 Tumor Proportion Score (TPS)

Deterministic view of the source YAML entity. Clinical authority remains with the cited source IDs and reviewer sign-off state.

IDBIO-PDL1-TPS
TypeBiomarker
Statuspending_clinical_signoff
DiseasesNone declared
SourcesNone declared

Biomarker Facts

Biomarker typeprotein_expression_ihc
Measurement
MethodIHC (22C3, SP263, SP142, 28-8 — pembrolizumab uses 22C3)
Unitspercent of viable tumor cells with membranous PD-L1 staining
Typical range
  • 0
  • 100
Related biomarkersNone declared

Notes

Universal at metastatic NSCLC diagnosis. Distinguishes ICI-monotherapy candidates from combination-therapy population.

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