12 / 30
PD-L1 IHC TPS Score*
Egible for treatment**
Cell line controls***
1. Cell line 1
NA
NA
2. Cell line 2
NA
NA
3. Cell line 3
NA
NA
4. Cell line 4
NA
NA
Tissue controls
8. Tonsil
NA
NA
13. Tonsil
NA
NA
12. Placenta
NA
NA
NSCLC
5. NSCLC
No <1%
No
9. NSCLC
No <1%
No
14. NSCLC
No <1%
No
10. NSCLC
Low 1-49%
Yes
15. NSCLC
Low 1-49%
Yes
6. NSCLC
High ≥ 50%
Yes
7. NSCLC
High ≥ 50%
Yes
11. NSCLC
High ≥ 50%
Yes
16. NSCLC
High ≥ 50%
Yes
Material
The slides to be stained for PD-L1 comprised the following 16 materials
PD-L1:
1-4: Cell lines, 5-7, 9-11 & 14-16: Non small lung cell carcinomas, 8 &
13: Tonsil,
12: Placenta.
PD-L1 standardization provides
precision in assay results