- Cancer Care Team
Cancer Care Team
To deliver optimal patient outcomesProducts and Services
Cancer Type
Supplies & Tools
Scientific Focus
- Biopharma Partners
- Patients
- Education & Events
- Login
- Contact Us
Products and Services
Cancer Type
Supplies & Tools
Scientific Focus
PD-L1 overexpression is associated with adverse prognosis in solid tumors, though specific prognosis varies among different tumor types. The utility of this PD-L1 (22C3) assay in predicting the response to therapy has not been determined for all tumor types, and standardized scoring methods do not exist for all tumor types.
Note: This test number is used for tracking oncology IHC specimens to the laboratory. Bill codes will be added when testing is complete, based on the processes performed in the laboratory.
This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.
Immunohistochemistry
Information on collection, storage, and volume
Formalin-fixed paraffin-embedded (FFPE) tissue block or slides
One tissue block or five unstained positively charged slides less than one month in age
At least three unstained slides sectioned at 4-5 microns
Paraffin block or unstained positive charged slides
Slides sectioned greater than one month prior to test request
Paraffin block or unstained slides sectioned of no more than one month age.
Find more tests related to this one.