PD-L1 IHC (Nivolumab) Urothelial Carcinoma

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 urothelial carcinoma

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
481500 PD-L1 IHC OPDIVO(R) Urothelial 481501 Result 83055-4
481500 PD-L1 IHC OPDIVO(R) Urothelial 481502 % Tumor Cells Staining % 83053-9
481500 PD-L1 IHC OPDIVO(R) Urothelial 481503 Comments: 77202-0
481500 PD-L1 IHC OPDIVO(R) Urothelial 481504 Interpretation: 77202-0
481500 PD-L1 IHC OPDIVO(R) Urothelial 481505 Director Review 72486-4

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