Description
PD-L1 (22c3 and 28-8)
Tissue, NA, Fasting or Non Fasting: As suggested by doctor
Sample Required:
FFPE tumour tissue block at room temperature
Test Time:
Biopsy-dependent. 4 working days.
Test Normal Range:
No fixed normal range.
What is the Test?
A combined IHC panel assessing PD-L1 expression using both **22C3** and **28-8** antibody clones for comprehensive immunotherapy assessment.
Test Procedure:
Tumour tissue undergoes dual-antibody staining to generate combined PD-L1 expression scoring.
When to Take the Test:
When complete PD-L1 evaluation is needed before immunotherapy.
Who Should Take This Test:
Patients being evaluated for immune checkpoint inhibitors.
Precautions for Exceptional Cases (Pregnancy, etc.):
Ensure adequate tumour tissue; disclose pregnancy status.