PD-L1 IHC (Nivolumab) Squamous Cell Carcinoma of the Head and Neck

CPT: 88360
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Test Details


  • Programmed Death Ligand 1


Immunohistochemistry (IHC)

Specimen Requirements




One formalin-fixed paraffin embedded (FFPE) tissue block or five unstained positively charged slides sectioned from FFPE tissue block at 4 to 5 microns.

Minimum Volume

Three unstained tissue slides


Tissue block or slide


Tissue should be fixed in 10% neutral buffered formalin for no more than 72 hours. Embed in paraffin.

Storage Instructions

Room temperature

Causes for Rejection

Insufficient tissue; tumor other than squamous cell carcinoma of the head and neck

Clinical Information

Special Instructions

Please provide a copy of the pathology report.

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.


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
481615 PD-L1 IHC OPDIVO(R) Head/Neck 481616 Result 83055-4
481615 PD-L1 IHC OPDIVO(R) Head/Neck 481617 % Tumor Cells Staining % 83053-9
481615 PD-L1 IHC OPDIVO(R) Head/Neck 481618 Comments: 77202-0
481615 PD-L1 IHC OPDIVO(R) Head/Neck 481619 Interpretation: 77202-0
481615 PD-L1 IHC OPDIVO(R) Head/Neck 481620 Director Review 72486-4

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